karmakarnc.min | Indian Institute of Technology (BHU)

Dr. Netai Chandra Karmakar

Professor

Department of Mining Engineering IIT BHU

Phone No(s): +919450710675

Email: karmakarnc.min@iitbhu.ac.in

Area of Interest: Mine Ventilation, Mine Environment, Mine Hazards, Mine Safety, Water Soluble Polymer for Mining & Mineral Industry Application

Vist my Website

Date of Birth      : 22nd August 1958
Present Address    : 709 Ganpati Apartment, Nagwa, Lanka, Varanasi - 221 005
Contact            :   E-mail   : karmakarnc.min@iitbhu.ac.in;
                                  nc_karmakar@rediffmail.com
                   :   Mobile   : 9450710675

EDUCATION:

Higher Secondary (1976): West Bengal Board¹ [ 96th Rank ]
B. Tech.(Hons) (1981): Mining Engg., IIT Kharagpur² [ !st Class & !st Position ]
M. Tech. (by Research) (1989) : IIT (ISM) Dhanbad
Ph. D (1999) : IIT Kharagpur

1 Awarded National Scholarship
2 Awarded Institute Silver Medal for Ranking First in B. Tech.

AREAS OF INTEREST:

Mine Ventilation, Mine Environment, Mine Hazards, Mine Safety, Water Soluble Polymer for Mining & Mineral Industry Application.

ADMINISTRATIVE :

Head of Department for 3 years (01.03.2006 – 28.02.2009)
Vice Chairman, JEE, IIT (BHU)
Chairman, JEE, IIT (BHU)

Achievements :

* Patent: (i) Obtained: One; (ii) Filed : One
* MoU Established with Industry : One
* R&D project / Industrial Consultancy and Testing : Over 40
* Research Paper published : Over 130

Awards :

* Distinguished Engineers'Award, Institution of Engineers' (I), VLC (2022)
* Bala Tandon Award of MGMI
(for ‘Outstanding contribution in upgrading the quality of life in Mining Environment’)
* Dr. Rajendra Prasad Memorial Medal of Institution of Engineers (I)
(for Best Paper published in the journal)
* Best Paper Presentation Award by Bio-Environmentally Degradable Polymer Society (I)

Teaching Experience : 36 years

i. 28.9.1983 – 31.8.1989 IIT (ISM), Dhanbad Lecturer, Mine Environment, Dept. of Mining Engg
ii. 1.9.1989 – 27.10.2004 IIT (ISM), Dhanbad Assistant Professor, Mine Environment, Dept. of Mining Engg
iii. 28.10.2004 – till date IIT (BHU), Varanasi, Professor, Mine Environment, Dept. of Mining Engg

Broad Areas of Research:

Mine Environment, Mine Noise, Mine Illumination, Mine Safety, Whole Body Vibration, Water Soluble Polymer for Mine Effluent Treatment, Water Soluble Polymer for Haul Road Dust Suppression.

Research Supervised:

PhD : Supervised - 07; On going - 04
M. Tech. : Supervised - 35 ; Ongoing - 02

Sponsored Projects:

1. Study of illumination and respirable dust levels in underground zinc mine of HZL. (R&D project funded by MoEF).

2. Level of air pollution and its effect on the health of workers and general population in Lodna – Bagdigi – Bararee area of Jharia coalfield. (R&D project funded by MoEF).

3. Study of possibility of utilization of industrial solid wastes and flyash for backfilling and reclamation of opencast mines. (R&D project funded by MoEF).

4. Studies on flow characteristics of flyash slurry in pipelines. (R&D project funded by MoEF).

5. To bring-in international experience in the country to enhance expertise in planning, design and handling of environmental problems with mining activities. (Project funded by World Bank through MoEF).

6. Development and Scaled-up Synthesis of Anionic, Cationic and Nonionic Flocculants Based on Amphoteric Amylopectin for Mineral Industry Effluents & Municipal Waste Water Treatment (R&D project funded by DST).

7. Development of a methodology for human error classification analysis and reduction to improve safety and productivity for underground coal mines. (R&D project funded by CSIR)

8. Whole Body Vibration Exposure on HEMM Operators in Surface Coal Mines – An Assessment of Various Contributing Factors. (R&D project funded by SERB) (Completed in 2022).

9. Assessment of Work posture of Mine Equipment Operators in Relation to Whole-Body Vibration Exposure - using RULA, REBA and Human Modelling Approach. (R&D Project funded by SERB) ( continuing).

Consultancy / Testing Projects : More than 25

Patents:
1. Patent Name : ‘Application of Grafted Amylopectin for Waste Water Treatment’
File No. : 60 / Cal / 2001
Investigators : Prof. R. P. Singh, Dr. S. K. Rath and Dr. N. C. Karmakar

2. Patent Name : ‘A Dust Suppressing Agent’
File No. : 48 / Kol / 2003
Investigators` : Mr. S. Mukhopadhyay, Dr. A. Sarkar, Dr. N. C. Karmakar and Dr. A. K. Basu

MoU Established with Industry :

An MoU was established with PVRI Inshield Bituminous Pvt. Ltd., Dishergarh, W.B., for manufacturing and marketing of the developed dust suppressing agent branded as ‘DUST SET – 12K.
(The product has been filed for patent).

i. National Scholarship
West Bengal Board of Higher Secondary Education

ii. National Search Talent Scholarship
(Class IX – XI), West Bengal

iii. Merit-cum-Means Scholarship
(for 5 yrs. during B.Tech. study), IIT Kharagpur

iv. General Proficiency Prize
(Best Student of B.Tech.), IIT Kharagpur

v. Project Work & Viva-Voce Prize
(Best Project in B. Tech.), IIT Kharagpur

vi. QIP Scholarship
(Ph.D study), MHRD, Govt. of India

Awards:

i. Distinguished Engineers'Award, Institution of Engineers', VLC (2022)

ii. Bala Tandon Award
(for ‘Outstanding contribution in upgrading the quality of life in Mining Environment’), MGMI

iii. Dr. Rajendra Prasad Memorial Medal
Institution of Engineers (I)

iv. Best Paper Award for Eco-Friendly Mining
MEAI (2015)

v. Institute Bronze Medal
MGMI

vi. BEDPSI Best Paper Award
Bio-Environmentally Degradable Polymer Society (I)

vii. Session’s Best Paper Award
4th Int. Conf. ICATETR-2015, BKIT, Kota, 19-20 June, 2015

viii. Institute Silver Medal
(B.Tech. First Rank), IIT Kharagpur

ix. Chandrakala Medal
(Best Graduate Student ), MGMI

x. Certificate of Merit (3 times)
Institution of Engineers (I)

xi. Alumnus Award
IIT Kharagpur

Honours

i. Guest of Honour, Seminar on “Mines Safety and Productivity”
Nigahi Project, Northern Coalfields Limited

ii. Key Note Address, Seminar on “Environmental Issues on Geotechnics and Mineral Industries (EIGMI-08)”, Dept of Mining Engg, BIT Sindri,

iii. Organising Chairman & Chief Convener
Seminar on “Environmental Management in Mining & Allied Industries”
Dept of Mining Engg, IT BHU, Varanasi

iv. Chairperson, Int. Conf. on Human Values in Higher Education (1-3 Dec. 2018)
IIT (BHU), Varanasi, (as a part Centenary Celebration of the Institute)

v. Member, Technical Inquiry Committee on Mine Accident Investigation
(Anjan Hills Mine, SECL) (2012), Appointed by Chairman, Coal India

vi. Member, Environmental Appraisal Committee (EAC),
Ministry of Environment & Forest, Govt. of Indian
(for 3 yrs. : from Dec, 2015 to Nov, 2018)

vii. Chairman, Institution of Engineers(I), Varanasi Local Centre
(for 2 yrs: from Oct, 2014 to Sept,2016)

viii. Chairman, Project Review and Steering Group (PRSG),
Ministry of Electronics and Information Technology (MeitY), GOI

ix) Associate Editor of IE(I)-Springer Journal (Series-D)

x) Key Speaker on Sustainable Development at Divisional Railway Manager Office, Varanasi

i. Institution of Engineers (India); Life Fellow

ii. Mining Geological & Metallurgical Institute of India; Life Member

iii. Indian Institute of Mineral Engineers; Life Member

iv. Mining Engineers’ Association of India; Life Member

v. IME Journal Readers’ Forum; Life Member

vi. Indian Society for Rock Mechanics and Tunnelling Technology (ISMRTT); Life Member

vii. Materials Research Society of India; Life Member

viii. Society for Polymer Science, India; Life Member

ix. Indian Institute of Public Administration; Life Member

x. Indian Society of Technical Education; Life Member

A. Administrative work in the present Institute :

Head of Department for 3 years (01.03.2006 – 28.02.2009)

Vice Chairman, JEE, IIT (BHU)

Chairman, JEE, IIT (BHU)

Deputy Coordinator, Centre of Advance Study on ‘Rock Mechanics, Ground Control and Geo-Environment’.

Coordinator, FIST (DST) Programme

Coordinator, MODROB (AICTE) Programme

In-Charge, Mine Environment & Safety Division

Convenor, Human Values Courses

B. Administrative work in the past Institute, IIT (ISM):

Member, Research Council

Member, Academic Council

Hostel Warden

In-Charge, Training & Placement, Dept. of Mining Engg.

In-Charge, Mine Environment Laboratory

Coordinator, Gas Testing Certificate Exam.

A. Services rendered to other Universities :

Project Advisor for the project “Frequency analysis and modeling of noise pollution for an opencast coal project”, NIT Surathkal
Project Advisor for the project “Assessment and design of illumination system with respect to opencast iron ore mine”, NIT Surathkal
Examiner, Ph.D thesis evaluation (5 Nos.)
Examiner, Ph.D viva-voce examination (4 Nos.)
Expert Member, Syllabus Revision Board (4 institutions)
Expert Member, Faculty Selection Board (4 Institutions)
Guest Lecture in Short Courses (on many occasions)
Expert Member in Doctoral Committee, Anna University
President, Durgapuja Samity, BHU

B. Services rendered to Govt. Bodies :

Expert Member, NBA Accreditation for 3 Institutions (NIT Surathkal, BIT Sindri and NIT Rourkela)
Evaluation of R&D Project Proposals for funding by organizations like AICTE, DST, UGC, MoEF.
Invited Expert Member, DST, Technology Support Group
Invited participant in “Train the Trainer Course” under Indian Coal mining Safety & Health project, jointly org by US Dept of Coal and Ministry of Labour, GOI
Invited participant in “Training Program on Mine Safety” jointly org by US Dept of Coal and Ministry of Labour, GOI
Member of Committee, DGMS, Dhanbad for formulation of “Guidelines for conducting air borne dust survey in coal mines”.
Member of Committee, Review of 5-yr Planning, DGMS, Dhanbad

C. Services rendered to Professional Bodies :

Chairman, Varanasi Local Centre, IE(I)
Member, Editorial Board, Institution of Engineers (I)
Reviewing technical papers for publication by IE(I), (on regular basis)
Member, Executive Council, Varanasi Local Centre, IE(I)
Hon. Secretary, Varanasi Local Centre, IE(I)
Nominated IE(I) Coordinator to liaison with Engineering Staff College of India in organizing ‘Continuous Professional Development Activities’.
Joint Secretary, Dhanbad Chapter, MGMI. Dhanbad Chapter received the ‘Best Branch Activity Award’.

D. Services rendered to Mining and Allied Industry :

More than 35 Industrial consultancy and testing services rendered to various mining industries including BCCL, ECL, HZL, TISCO, NCL, CCL, SECL and Vijay Expressway.

Published more than 130 research papers in Journals and Conferences.

Some of the recently published research papers (during the past few years) are given below:

Kashi, V. K., Karmakar, N. C., Krishnamoorthi, S., Adhikary, P. & Sahu, A. R., “A laboratory study on application of synthesised amylopectin-grafted-polyacrylamide (AP-g-PAM) on coal mine haul road dust emission at different atmospheric temperatures”, Journal of The Institution of Engineers (India): Series D. (2023). doi:10.1007/s40033-023-00473-y
Singh, K.J., Palei, S.K., Karmakar, N.C. (2023). Role of Contributing Factors on Health Risks due to Whole-Body Vibration Exposure of Heavy Vehicle and Equipment Operators: A Critical Review. Journal of Vibration and Control. https://doi.org/10.1177/10775463231185627
V. K. Kashi, N. C. Karmakar and S. Krishnamoorthi, “Study on Opencast Coal Mine Haul Road Dust Suppression Using Guargum Grafted Polyacrylamide”, Journal of Mines, Metals & Fuels,vol. 70, no. 5, pp. 242-250, 2022. DOI: 10.18311/jmmf/2022/27744 (Indexing - Scopus)
Rawal R., Karmakar N. C., and Sharma S., Optimization of Fluid Flushing Rate: A Study on Laboratory Drilling Setup, Journal of The Institution of Engineers (India): Series C, volume 103, pages 985–990 (2022). https://doi.org/10.1007/s40032-022-00809-9 (SCOPUS)
Rawal R., Karmakar N. C., and Sharma S., Krishnamoorthi S., Application of polymeric drilling fluids for reducing wearing of drill bit, Journal of the Indian Chemical Society 99, 2 (2022) 100324, https://doi.org/10.1016/j.jics.2021.100324 (SCOPUS)
Singh, K.J., Palei, S. K., Karmakar, N. C. (2022). Postural risk assessment of heavy earthmoving machinery operators in opencast coal mine. 9th Asian Mining Congress on Technological Advancements in Mining Industry: Status and Challenges, April 4-5, 2022, MGMI, Kolkata, India, pp. 341-346.
Kumar, V., Palei, S. K., Karmakar, N.C., Chaudhary, D. K. (2022). Whole-body vibration exposure vis-à-vis musculoskeletal health risk of dumper operators compared to a control group in coal mines. Safety and Health at Work. Vol. 13(1), pp. 73-77. https://doi.org/10.1016/j.shaw.2021.10.007
Atal, M.K., Palei, S. K., Chaudhary, D. K., Kumar, V. & Karmakar, N. C. (2022). Occupational exposure of dumper operators to whole-body vibration in opencast coal mines: an approach for risk assessment using Bayesian network. International Journal of Occupational Safety and Ergonomics. Vol. 28(2), pp. 758-765. https://doi.org/10.1080/10803548.2020.1828551
Chaudhary, D. K., Palei, S. K., Kumar, V. & Karmakar, N. C. (2022). Whole-body vibration exposure of heavy earthmoving machinery operators in surface coal mines: a comparative assessment of transport and non-transport earthmoving equipment operators. International Journal of Occupational Safety and Ergonomics, Vol. 28(1), pp.174-183. https://doi.org/10.1080/10803548.2020.1785154
Mishra, A, Palei, S. K., Karmakar, N.C., Mishra, M. (2021). Economic risk assessment of PM10 in coal-based industrial region and its management strategy. Arabian Journal of Geosciences Vol. 14 (23). https://doi.org/10.1007/s12517-021-08667-y
Singh, K.J., Palei, S. K., Karmakar, N. C., Kumar, V., Kumar, A., Gupta, S. (2021). Postural risk assessment of heavy earthmoving machinery operators in mines using Rapid Upper Limb Assessment. 4th International Conference on Opencast Mining Technology & Sustainability (ICOMS), 13-14 Dec 2021, Singrauli, India, p. 125.
Kumar, V., Palei, S. K., & Karmakar, N. C. (2020). Investigation on whole-body vibration exposure of various heavy earth moving machinery operators in opencast coal mines. Journal of Critical Reviews, Vol. 7 (10), pp. 403-411. https://doi:10.31838/jcr.07.10.85
Vivek Kumar Kashi, N. C. Karmakar, S. Krishnamoorthi, Ekta Sonker, Pubali Adhikary &Rudramani Tiwari, “Reducing the Dust Generation of Haul road by Improving Water Holding Capacity with the Application of Synthesised Polyacrylamide at Laboratory Condition”, Nature Environment and Pollution Technology, (p-ISSN0972-6268; e-ISSN 2395-3454), Vol. 19(1), pp- 413-419, 2020. (Indexing - Scopus)
Mishra, A., Palei, S. K., Karmakar, N.C. (2020). Receptor modelling of pollutants for source apportionment on coal-based anthropogenic activities. Journal of Mines, Metals and Fuels, 68(9), 293-303.
Chaudhary, D.K., Palei, S. K., Kumar, V., Karmakar, N. C. (2019). Assessment of Health Risk due to Whole-body Vibration Exposure Experienced by HEMM Operators in a Surface Coal Mine, National conference on Recent Advances in Mining Technology (RAMT) 2019 held at Bangalore during 23 - 24 May 2019.
Mishra, A., Rai, R., Karmakar, N. C., Palei, S. K., Behera, C. K. (2019). Inclusion of Environmental Cess in Coal Pricing – A Broad Framework. International Conference and Exhibition on Energy & Environment: Challenges & Opportunities (ENCO 2019), February 20 - 22, 2019 held at Vigyan Bhawan, New Delhi.
Vivek Kumar Kashi, Penchala Abhishek, N. C. Karmakar & S. Krishnamoorthi “Surface Coal Mine Haul Road Dust Suppression Using Hydrolysed Amylopectin grafted Polyacrylamide”, Proceeding in 2^nd International Conference on Opencast Mining Technology & Sustainability, Northern Coalfields Limited, Singrauli, India (ICOMS-2019), 13-14 December 2019, pp 68-71.
Chaudhary, D. K., Kumar, V., Atal, M. K., Palei, S.K. & Karmakar, N. C. (2018). A Study on Whole-body Vibration Exposure of Heavy Earth Moving Machineries Operators in a Coal Mine, National Conference on Mine Environment: Techniques, Equipments & Challenges (15-16 December 2018) organised by M.B.M. Engineering College, Jodhpur, Rajsthan, India.
V. K. Kashi,N.C. Karmakar & S. Krishnamoorthi,“DUST SUPPRESSION FOR HAUL ROADS OF OPENCAST COAL MINES – A LABORATORY STUDY USING POLYACRYLAMIDE POLYMER”,Proceeding in Technological Advancements and Emerging Mining Methods, Dhanbad-India (TAEMM-2018), 24th & 25th August 2018, pp 69-77
Kumar, V., Gupta, N. K., Palei, S. K., & Karmakar, N. C. (2017). Whole body vibration and its impact on dumper operators in coal mines, ICOVP, 13th International Conference on Vibration Problems, 29 Nov-2 Dec, 2017, Indian Institute of Technology Guwahati, India.

Other Publications [ before 2017 ]

( A ) International Journal

1	K Kumar a, P Adhikary a, N.C. Karmakar, S Gupta b, R P Singh, S. Krishnamoorthi.	Synthesis, characterization and application of novel cationic and amphoteric flocculants based on amylopectin.	*Carbohydrate Polymers,* vol. 127, Aug 2015, pp 275-281.
2	Palei, S. K., Karmakar, N. C., Paliwal, P. and Schimm, B.	Optimization of Productivity with Surface Miner using Conveyor Loading and Truck Dispatch System	*Int. J. of Research in Engineering and Technology,* vol. 02, pp. 393 – 396, (Aug 2013)
3	Pal S., Sen G., Karmakar N. C., Mal D. and Singh R. P.	High Performance Flocculating Agents Based on Cationic Polysaccharides in Relation to Coal Fines Suspension	*Carbohydrate Polymers,* vol. 75, pp. 590-596 (2008)
4	Karmakar, N. C., Aruna, M., Rao, Y. V. and Yaragatti, U. K. R.	Design of Haul Road Lighting System. Part III: Application	*Intl. Journal of Mining, Reclamation and Environment*, vol. 20. no. 4, pp. 244-288 (2006).
5	Karmakar, N. C., Aruna, M., Rao, Y. V. and Yaragatti, U. K. R.	Design of Haul Road Lighting System. Part II: Design Based on Optimal Cost Considerations	*Intl. Journal of Mining, Reclamation and Environment*, vol. 20. no. 3, pp. 175-180 (2006).
6	Karmakar, N. C., Aruna, M., Rao, Y. V. and Yaragatti, U. K. R.	Design of Haul Road Lighting System. Part I: Design Based on Optimal Energy Considerations	*Intl. Journal of Mining, Reclamation and Environment*, vol. 20. no. 3, pp. 165-174 (2006).
7	Harsha Vardhan, Karmakar, N. C. and Y. V. Rao	Assessment of Heavy Earth Moving Machinery Noise vis-à-vis Routine Maintenance	*Noise Control Engineering Journal – An Intl. Publication*, vol. 54, no. 2, pp. 61-78 (2006).
8	Harsha Vardhan, Karmakar, N. C. and Y. V. Rao	Experimental Study of Sources of Noise from Heavy Earth Moving Machinery	*Noise Control Engineering Journal – An Intl. Publication*, vol. 53, no. 2, pp. 37-42 (2005).
9	Karmakar, N. C., Harsha Vardhan and Y. V. Rao	Studies of Noise Created by Air Supply and Emission Systems of Heavy Earth Moving Machines	*Gorny Zhurnal (Russian Mining Journal),* No. 9-10, pp. 96-98 (2005)
10	Harsha Vardhan, Karmakar, N. C. and Y. V. Rao	Noise Analysis of Heavy Earth Moving Machinery Deployed in Opencast Mines and Development of Suitable Maintenance Guidelines for its Attenuation – Part 3,	*Noise & Vibration Worldwide*, vol. 35, no. 10, pp. 7-14 (2004)
11	Harsha Vardhan, Y. V. Rao and Karmakar, N. C.	Noise Analysis of Heavy Earth Moving Machinery Deployed in Opencast Mines and Development of Suitable Maintenance Guidelines for its Attenuation – Part 2	*Noise & Vibration Worldwide*, vol. 35, no. 9, pp. 15-28 (2004).
12	Harsha Vardhan, Y. V. Rao and Karmakar, N. C.	Noise Analysis of Heavy Earth Moving Machinery Deployed in Opencast Mines and Development of Suitable Maintenance Guidelines for its Attenuation – Part 1	*Noise & Vibration Worldwide*, vol. 35, no. 8, pp. 11-24 (2004).
13	Tripathy, T., Karmakar, N. C. and Singh, R. P.	Development of Novel Polymeric Flocculants Based on Grafted Sodium Alginate for the Treatment of Coal Mine Wastewater	*J. Applied Polymer Science*, vol. 82, pp. 375-382 (2001).
14	Tripathy, T., Karmakar, N. C. and Singh, R. P.	Grafted CMC and Sodium Alginate – A Comparison in their Flocculation Performance	*International J. Polymeric Materials*, vol.46, pp. 81-93 (2000).
15	Singh, R. P., Karmakar, G. P., Rath, S. K. Karmakar, N. C., Pandey, S. R., Tripathy, T., Panda, J., Kannan, K, Jain, S. K, and Lan, N. T.	Biodegradable Drag Reducing –Agents and Flocculants Based on Polysaccharides: Materials and Applications	*Polymer Engineering and Science*, vol. 40, no. 1, pp. 46-60 (2000).
16	Tripathy, T., Pandey, S. R., Karmakar, N. C. Bhagat, R. P. and Singh, R. P.,	Novel Flocculation Agent Based on Sodium Alginate and Acrylamide	*European Polymer Journal*, vol.35, pp. 2057-2072 (1999).
17	Karmakar, N. C., Sastry, B. S. and Singh, R. P.	Flocculation and Settling Characteristics of Copper Ore Fines Suspension from a Concentration Plant	*Canadian Mining & Metallurgical Bulletin (CIM Bulletin*),vol. 92, no. 1035, pp. 67-71, (1999).
18	Karmakar, N. C. Rath, S. K., Sastry, B. S. and Singh, R. P.	Investigation on flocculation Characteristics of Polysaccharide Based Graft Copolymers in Coal Fines Suspension	*J. Applied Polymer Science*, vol. 70, pp. 2619 – 2625 (1998).

( B ) National Journal

Verma, MK, Pandey, P,Mukhopadhyay, R, De, N,Dwivedi, R, Karmakar, NC, and Bajaj, VK	Chemical characterization of selected overburdens of Singrauli coalfields	*Ecology Environment and Conservation,* vol. 22 (April Suppl.), pp. S207-S211 (2016).
Hussain and N. C. Karmakar.	Multiplier Accounting of Indian Mining Industry––The Concept.	*J. Inst. Eng. India Ser. D*, vol. 96(1), pp 51–56 (Jan–June 2015).
Karmakar, N. C. and Goyal, A.	Treatment of coal fines suspension using polymeric flocculants for improving environment	*Mining Engineers’ Journal (Publ. MEAI),* vol. 16, No. 07, pp. 25-28 (Feb. 2015).
Dwivedi, R., Karmakar, N. C., Mukhopadhyay, R., De, N. and Bajaj, V.K.	Analysis of soil properties in selected overburdens of Singrauli Coalfields	*IM&EJ,* vol. 53, No. 07, pp. 7-11 (2014).
Tiwari, P. and Karmakar, N. C.	Analysis of slope stability in waste dump	*Journal of Mines, Metals & Fuels*, vol.61, nos. 7&8, pp. 235-237&251 (2013).
Tiwari, P. and Karmakar, N. C.	Performance measurement of mining equipment and its significance in production	*Journal of Mines, Metals & Fuels*, vol.60, nos. 9&10, pp. 197 – 200 (2012).
Sethi, R., Karmakar. N. C. and Gupta, S.	Flocculation of coal fines suspension by anionic polymers	*Mine Tech*,vol. 32, pp. 29-33 (2011).
Aruna, M., Karmakar, N. C. and Rao, Y. V.	Design of cost effective illumination system for surface mine haul roads – a case study	*J. Institution of Engineers (I)-MN*,vol. 91, pp. 10-15 (2010).
Sethi, R., Karmakar. N. C. and Gupta, S.	A Review on Effluent Genaration in Coal Mines and its Treatment Methods	*IM&EJ,* vol. 47, No. 11, pp. 15-20 (2008).
Aruna, M., Karmakar, N. C. and Rao, Y. V.	Lighting Haul Road in Surface Coal Mine – A Design Based on Reflectance	*J. Institution of Engineers (I)*, Feb pp. 9-15 (2008).
Harsha Vardhan, Karmakar, N. C. and Rao, Y. V.,	Noise Assessment of Dumpers under Loaded and Empty Condition	*J. Institution of Engineers (I)*, vol. 88, pp.41 – 44 (2007).
Karmakar, N. C., Aruna, M., Rao, Y. V. , Kumar, U. and Yaragatti, U. K. R.	Haul Road Illumination Design based on Reflected Light and Surface Wetness – An Innovative Approach	*MGMI Transactions*, vol. 102, no. 1 & 2, pp.103-109 (Apr 2005 – Mar 2006).
Karmakar, N. C., Harsha Vardhan and Rao, Y. V.	Noise Exposure of Operators at Different Operating Conditions of Heavy Earth Moving Machinery	*J. Institution of Engineers (I)*, vol. 84, pp. 30 – 32 (2005).
Maiti, S. K., Karmakar, N. C. and Sharma, P.	Study on Settling Behaviour of Coal Washery Effluent – A Case Study	J. Institution of Public Health Engineers (I), Special Issue, pp. 187-192 (2004).
Harsha Vardhan, Karmakar, N. C. and Rao, Y. V.	Occupational Noise Exposure – A Case Study	J. Institution of Public Health Engineers (I), Spl Issue, pp. 126-137 (2004).
Harsha Vardhan, Karmakar, N. C. and Rao, Y. V.	Impact of Noise on Miners – A Critical Review	*J. Pollution Research*, vol. 22, no. 3, pp. 311-325 (2003).
Karmakar, N. C., Sastry, B. S. and Singh, R. P.	Flocculation of Chromite Ore Fines Suspension using Polysaccharide Based Graft Copolymers	Bulletin of Materials Science, vol. 25, no. 6, pp. 477-478 (2002).
Maiti, S. K., Karmakar, N. C. and Sinha, I. N.	Studies into Some Physical Parameters Aiding Biological Reclamation of Spoil Dump – A Case Study from Jharia Coalfield,	IM & EJ, vol. 41, no. 5, pp. 20-23 (2002).
Bhattacharya, R. M., Karmakar, N. C. and Banik, P. K.	Thick Seam Coal Mining in India vis-à-vis International Collaboration	JMMF (50^th Anniversary Issue), vol. 50, no. 1&2, pp. 34-38 (2002).
Karmakar, N. C. and Chauhan, B. S.	Illumination Survey and Cost Analysis for a Large Scale Opencast Coal Mine	IM & EJ, vol. 41, no. 4. pp. 29-32 (2002).
Sarkar, A., Rano, R. and Karmakar, N. C.	Characterisation of Flyash and its Settling Behaviour vis-à-vis sand	J. Envtl. Studies and Policy, vol. 4, no. 2, pp. 95-109 (2001).
Sarkar, A., Rano, R., Bhattacharya, S., Karmakar, N. C. and Sinha, I. N.	An Empirical Correlation Between Carbon Content and Particle Characteristics of Flyash	*Indian J. Environmental Protection,* vol. 21. No. 5, pp. 392-397 (2000).
Karmakar, N. C.	Transient Phenomena in Controlled Recirculation Ventilation of an Advanced Heading Face	*J. Institution of Engineers (I)*, vol. 81, pp. 1 – 5 (2000).
Singh, R. P., Karmakar, G. P., Rath, S. K., Karmakar, N. C., Tripathy, T., Pandey, T., Kannan, K. and Lan, N. T.	Novel Biodegradable Flocculants Based on Polysaccharides	*Current Science*, vol. 78, no. 7. pp. 798-803 (2000).
Karmakar, N. C.	SF₆ Tracer Technolgy – Its Application in the Study of Mine Ventilation Systems	*Minetech*, Vol.13, No.3, pp 16 – 20 (1992).
Chandra, D., Behera, P., Karmakar, N. C. and Tarafdar, M. N.	An Appraisal of Spontaneous Combustion of Ib-valley Coals of Orissa	*Minetech,* Vol. 12, No.3, pp. 39 – 44 (1991).
Karmakar, N. C. and Banerjee, S. P.	Comparative Study of Crossing Point Temperature, Polish SZ Index and Russian U Index of Susceptibility of Coal to Spontaneous Combustion,	*MGMI Transaction*, Vol. 86, No.1, pp. 109-130 (1989).
Karmakar, N. C.	Methods for Estimation of Spontaneous Heating Susceptibility of Coal	*Journal of Mines, Metals & Fuels*, pp. 21 – 24 (1989).
Karmakar, N. C. and Banerjee, S. P.	A Review of Laboratory and Field Test Methods for Studying Fume Characteristic of Explosives	*Journal of Mines, Metals & Fuels*, pp. 398 – 402 (1984).

( C ) International Conference / Symposium

G. Choudhary, N. C. Karmakar, N. De, P. Pandey & V.K. Bajaj.	Physical and Chemical Characterisation of Overburden Dumps of an Opencast Mine with Reference to Revegetation.	*4th Int. Conf. on ‘Advance Trend in Engineering, Technology and Research’ (ICATETR-2015),* BKIT, Kota, 19-20 June, 2015, pp 8-12
Palei, S.K. Karmakar, N. C. and Reddy, S.M.	Effects of demography and occupational traits on consequence of injury of underground coal miners	*IEEE Int. Conf. on Industrial Engineering and Industrial Management (IEEM-2014),* held at Sunway Resort Hotel & Spa, Malaysia, 9-12 Dec. 2014.
Gupta, S., Kumar, P., Karmakar, N. C. and Palei, S.K.	Quantification of Human Error in Underground Coal Mines – A Fuzzy Mapping and Rough Set Based Approach	*IEEE Int. Conf. on Industrial Engineering and Industrial Management (IEEM-2013),* held in Bangkok, Thailand, 10-13 Dec. 2013.
Karmakar, N. C., Gupta, S. and Palei, S. K.	Application of tracer gas in the study of ventilation systems for improving mine safety	Safety in Mines, Eds. A. Bhattacharjee, B. Samanta and AK Patra, Maclillan Publishers India Ltd., Delhi [Proc. Int. Conf. 34th ICSMRI, 7-11 Dec 2011, held at India Habitat Centre, N. Delhi, org Dept. of Mining Engg., IIT KGP, pp.215-220.
Gupta, S., Palei, S.K., Karmakar, N.C. and Maiti, J.	Categorization and mitigation of human error to enhance safety in underground mines	Safety in Mines, Eds. A. Bhattacharjee, B. Samanta and AK Patra, Maclillan Publishers India Ltd., Delhi [Proc. Int. Conf. 34th ICSMRI, 7-11 Dec 2011, held at India Habitat Centre, N. Delhi, org Dept. of Mining Engg., IIT KGP, pp.749-760.
Karmakar, N.C., Goyal, A., Sethi, R. and Gupta, S.	Treatment of coal mine effluent using nonionic, anionic and cationic flocculants	*Int. Conf. on Technological Challenges and Management Issues for Sustainability of Mining Industries (TMSMI-2011), org. by Dept. of Mining Engg, NIT, Rourkela 4-6 Aug 2011, pp. 77-86.*
Palei, S.K., Gupta, S. and Karmakar, N. C.	Identification of human error to enhance safety in underground coal mines through the study of accident data – a concept	*Int. Conf. on Technological Challenges and Management Issues for Sustainability of Mining Industries (TMSMI-2011), org. by Dept. of Mining Engg, NIT, Rourkela 4-6 Aug 2011, pp. 343-348.*
Karmakar, N. C., Gupta, S. and Palei, S. K.	Application of tracer gas in the study of ventilation systems for improving mine safety	Safety in Mines, Eds. A. Bhattacharjee, B. Samanta and AK Patra, Maclillan Publishers India Ltd., Delhi [Proc. Int. Conf. 34^th ICSMRI, 7-11 Dec 2011, held at India Habitat Centre, N. Delhi, org Dept. of Mining Engg., IIT KGP, pp.215-220.
Gupta, S., Palei, S.K., Karmakar, N.C. and Maiti, J.	Categorization and mitigation of human error to enhance safety in underground mines	Safety in Mines, Eds. A. Bhattacharjee, B. Samanta and AK Patra, Maclillan Publishers India Ltd., Delhi [Proc. Int. Conf. 34^th ICSMRI, 7-11 Dec 2011, held at India Habitat Centre, N. Delhi, org Dept. of Mining Engg., IIT KGP, pp.749-760.
Karmakar, N.C., Goyal, A., Sethi, R. and Gupta, S.	Treatment of coal mine effluent using nonionic, anionic and cationic flocculants	*Int. Conf. on Technological Challenges and Management Issues for Sustainability of Mining Industries (TMSMI-2011)*, org. by Dept. of Mining Engg, NIT, Rourkela 4-6 Aug 2011, pp. 77-86.
Palei, S.K., Gupta, S. and Karmakar, N. C.	Identification of human error to enhance safety in underground coal mines through the study of accident data – a concept	*Int. Conf. on Technological Challenges and Management Issues for Sustainability of Mining Industries (TMSMI-2011)*, org. by Dept. of Mining Engg, NIT, Rourkela 4-6 Aug 2011, pp. 343-348.
Karmakar, N. C., Gupta, S. and Kundu, S.	Controlled Recirculation in Auxiliary Ventilation of Underground Coal Mines – A Mathematical Model	*IXth Int. Mine Ventilation Congress,* New Delhi (org by ISM Dhanbad), 10-13 Nov 2009, pp. 1041-1050.
Ramana, K. V. and Karmakar, N. C.	Impacts of an Opencast Iron Ore Mine on Ambient Air Quality and Mitigating Measures	*Int. Symp. on Rock Mechanics and Geo-Environment in Mining and Allied Industries*, Dept. of Mining Engg., IT, BHU, 12-14 Feb 2009, pp.
Harsha Vardhan, Y. V. Rao and Karmakar, N. C.	A Critical Analysis of HEMM Noise vis-à-vis Periodic Maintenance	*Proc. 1^st European Forum on Effective Solutions for Managing Occupational Noise Risk,* Lille, France, 3-5 July 2007, pp. 145-154 (2007).
Singh, A. K., Gupta, S., Singh, R. P. and Karmakar, N. C.	Use of Wollastonite for Tailings Waste Management Enriched in Mn (II) and Zn (II)	*Int. Sem on Mineral Processing Technology (MPT-2007),* IIT Bombay, 22-24 Feb 2007, pp. 738-742 (2007).
Ratan, S. Karmakar, N. C., Jain, A. K. and Gupta, S.	Mitigating Fly Ash Problems in India through Clean Coal Technology – An Approach	*Int Congress on Fly Ash India 2005, org by Fly Ash Utilisation Program of TIFAC, DST,* held at Hotel Ashok, N Delhi, Dec 4-7, pp. 191-194 (2005).
Karmakar, N. C.,	Zeta Potential and its Significance in the Treatment of Effluent Containing Coal Fines	*Intl. Seminar on Mineral Processing Technology (MPT – 2005),* jointly org by Dept of FME, ISM, Dhanbad and Institute of Mineral Engineers, held at ISM, Dhanbad, 6-7 Jan 2005, pp 275-281.
Ratan, S., Karmakar, N. C. and Kumar, S.	Treatment of Opencast Coal Mine Effluent – A Case Study	*Intl. Symp. On Advances in Mining Technology and Management,* org by Dept of Mining Engg, IIT Kharagpur, 30 Nov – 2 Dec, 2005, pp 517-520.
Karmakar, N. C. and Gupta, S.	Spontaneous Combustion – A Multivariate Analysis	*Intl. Symp. On Advances in Mining Technology and Management,* org by Dept of Mining Engg, IIT Kharagpur, 30 Nov – 2 Dec, 2005, pp 487-490.
Karmakar, N. C., Kundoo, S., Thakur, B. K. and Bhattacharya, R. M.	Study of Strata Behaviour in Multi-Seam Longwall Mining under Shallow Depth of Cover	Mining in the 21^st Century – Quo Vadis? Vol. – I, Eds. A. K. Ghose and L. K. Bose, Oxford & IBH Publishing Co. Pvt. Ltd., New Delhi, (*Proc. 19^th World Mining Congress*, 1-5 Nov 2003, New Delhi), pp 819-828.
Bhattacharya, R. M. and Karmakar, N. C.	In Quest of New Technology for Liquidation of Standing Pillars in India	Mining in the 21^st Century – Quo Vadis? Vol. – I, Eds. A. K. Ghose and L. K. Bose, Oxford & IBH Publishing Co. Pvt. Ltd., New Delhi, (*Proc. 19^th World Mining Congress*, 1-5 Nov 2003, New Delhi), pp 733-742.
Karmakar, N. C., Kundoo, S., Das, S. and Bhatacharya, R. M.	Longwall Mining with Face Equipment of Different Make in the Perspective of Jhanjra Project	*Int. Sem. On Mining Technology and Management for Business Execellence (MTM – 2002)*, org. by MEAI, held at New Delhi, 15 – 16 November 2002, pp. 142-151.
Karmakar, N. C.	Flocculation of Coal Fines Suspension Using Commercial Flocculants	*Int. Sem. On Mineral Processing Technology (MPT-2002)*, 3 – 5 January 2002, held at IISc Bangalore, under the aegis of IIME, pp. 236- 242 (vol. I).
Karmakar, N. C.	Application of Grafted Polysaccharides for the Treatment of Coal Washery Effluents – A Case Study	*Int. Conf. on Challenges in Coal & Mineral Benificiation (ICCAMB-2001)*, Org. by Dept. of Mineral & Fuel Engg., Indian School of Mines, Dhanbad, 7-8 Dec 2001, Pub by Tata McGraw-Hill, N Delhi, pp. 399-404.
Karmakar, N. C.	Grafted Polysaccharides – New Generation Polymeric Flocculants for the Treatment of Coal Fines Suspension	*Int. Conf. on Challenges in Coal & Mineral Benificiation (ICCAMB-2001)*, org. by Dept. of Mineral & Fuel Engg., ISM, Dhanbad, 7-8 Dec. 2001, Published by Tata McGraw-Hill, New Delhi, pp. 119-127.
Karmakar, N. C. and Bhattacharya, R. M.	Controlled Recirculation – A New Technology for Environmental Control in Underground Workings	*Int. Conf. on Mechanisation & Automation – The Future for Mineral Industry*, org by MGMI, Calcutta, 26-28 July,2001, pp.
Sarkar, A., Basu, A. K., Karmakar, N. C., Mukherjee, S. and Mitra, A. K.	A Unified Approach Towards Suppression of Dust In Opencast Mines	*Int. Conf. on Mechanisation & Automation – The Future for Mineral Industry*, organised by MGMI, Calcutta, 26-28 July,2001, pp.
Bhattacharya, R. M. and Karmakar, N. C.	Extraction of Standing Pillars: In Search of Suitable Technology	*Int. Conf. on Mechanisation & Automation – The Future for Mineral Industry*, organised by MGMI, Calcutta, 26-28 July 2001, pp.
Sarkar, A., Rano, R., Karmakar, N. C. and Bhattacharya, S.	Effect of Particle Characteristics on Settling Time of Flyash Slurry	*1st Asian Particle Technology Symp (ATP 2000), Bangkok, Thailand*, 13-15 December 2000.
Karmakar, N. C. Sastry, B. S. and Singh, R. P.	Solid-Liquid Separation of Coal Fines Suspension	Int. Conf. Technology Management in Mining Processing and Environment (TMMPE), IIT Kharagpur, 1-3 Dec 2000, pp. 216-225.
Sinha, I. N., Karmakar, N. C., Pathak, K. P. and Banik, P.	Environmental Management Capacity Building by Bringing-in International Expertise: A Strategic Approach for Indian Mineral Sector	Int. Conf. Technology Management in Mining Processing and Environment (TMMPE), IIT KGP, 1 – 3 Dec 2000, pp. 155-162.
Sarkar, A, Rano, R, Karmakar, N. C.	Bhattacharya, S and Sinha, I. N., Physico-Chemical Characterisation of Different Size Fractions of Flyash – A Case Study	Geotechnical Reclammation, Eds. A.G. Paithankar, P.K. Jha and R.K. Agarwal, Oxford & IBH Pub. Co. Pvt. Ltd., New Delhi (Proc. Int. Sym.Geotechnical Reclammation, 20-22 Nov 2000, Nagpur), pp. 321-325.
Karmakar, N. C., Sastry, B. S. and Singh, R. P.	Settling of Coking and Non-coking Coal Fines – An Investigation into the Effect of Ionicity of Polymeric Flocculants	*X Int. Conf. On Coal Science (ICCS)*, Taiyuan-China, 12 – 17 September 1999.
Karmakar, N. C., Rath, S. K., Sastry, B. S. and Singh, R. P.	Polyacrylamide and Polysaccharide Based Graft Copolymers – Synthesis and Applications	Int. Symp. On Polymers Beyond AD 2000 (Polymers ’99), IIT Delhi, 12 – 15 Jan 1999, pp. 99-102.
Karmakar, N. C., Sastry, B. S. and Singh, R. P.	Settling Characteristics of Coking and Non-coking Coal Fines	Macromolecules New Frontier Vol II, Ed. K. S. V. Srinivasan, Allied Publishers Ltd., New Delhi (Proc. *IUPAC Int. Symp. On Adv. Polym. Sci. & Technology Macro-98*, 5 – 9 Jan 1998), pp. 1114 – 1117 (1998).
Karmakar, N. C., Sastry, B. S. and Singh, R. P.	Flocculation and Settling Behaviour of Coking and Non-coking Coal Fines – A Comparative Study	*IX Int. Conf. On Coal Science (ICCS)* Essen, Germany, 7 – 12 September 1997.

(D) National Conference / Seminar (34 papers)

Srivastava, A., Rai, A., Tiwari, A. and Karmakar, N. C.	Application of absorption spectroscopy for real-time gas monitoring in underground mines	*Nat. Symp. on Present Technology and Safety Scenerio in Mining & Allied Industries (PTSM-2013)*, Dept of Mining Engg, IIT (BHU), Varanasi, 25-27 Feb, pp. 145-150 (2013).
Sethi, R., Karmakar, N. C. and Gupta, S.	Effect of polymeric flocculants on settling behaviour of real-life washery effluent	*Nat. Symp. on Present Technology and Safety Scenerio in Mining & Allied Industries (PTSM-2013)*, Dept of Mining Engg, IIT (BHU), Varanasi, 25-27 Feb, pp. 229-234 (2013).
Jain, N., Garg, K., Karmakar, N. C. and Palei, S. K.	Guar gum in hydraulic fracturing in Indian shale mines	*Nat. Symp. on Present Technology and Safety Scenerio in Mining & Allied Industries (PTSM-2013)*, Dept of Mining Engg, IIT (BHU), Varanasi, 25-27 Feb, pp. 301-314 (2013).
Sharma, R. K., Jamal, A. and Karmakar, N. C.	Characterisation of suspended particulate matter for safety in opencast mines	*Nat. Symp. on Present Technology and Safety Scenerio in Mining & Allied Industries (PTSM-2013)*, Dept of Mining Engg, IIT (BHU), Varanasi, 25-27 Feb, pp. 253-256 (2013).
Gupta, S., Patri, R., Agarwal, M., Kumar, P. and Karamakar, N. C.	Human error rate assessment in different underground coal mining activities using fuzzy modeling	*Nat. Symp. on Present Technology and Safety Scenerio in Mining & Allied Industries (PTSM-2013)*, Dept of Mining Engg, IIT (BHU), Varanasi, 25-27 Feb, pp. 403-414 (2013).
Sethi, R., Karmakar, N. C., Gupta, S. and Singh, A. K.	Zeta Potential versus pH of Coal Fines Suspension	*Nat Sem on Environmental Management in Mining and Allied Industries (EMMA-08),* Dept of Mining Engg, IT, BHU, 7-8 Nov, pp. 306-309 (2008).
Karmakar, N. C. and Harsha Vardhan	Noise Assessment of Dumpers with Periodic Maintenance – A Critical Analysis	*Nat Sem on Environmental Issues on Geotechnics and Mineral Industries (EIGMI-08)*, Dept of Mining Engg, BIT Sindri, 4-5 Apr, (2008).
Tekam, S. B. S., Jamal, A. and Karmakar, N. C.	An Approach to Estimate the Water Balance of an Opencast Coal Mine – A Case Study	*Nat Sem on Rock Machine Interaction in Excavations (ROMIE-08)*, Dept of Mining Engg, IT, BHU, 7-8 Mar, pp. 231-247 (2008).
Karmakar, N. C. and Harsha Vardhan	Noise Generation by Bulldozer vis-à-vis Maintenance Schedule	*Nat Sem on Rock Machine Interaction in Excavations (ROMIE-08)*, Dept of Mining Engg, IT, BHU, 7-8 Mar, pp. 195-202 (2008).
Palei, S. K. and Karmakar, N.C.	The effect of confounding factors on magnitude of hand-arm vibration among jackhammer operators in a mine	*Nat Sem on New Mining Initiatives for Sustainable Development*, jointly org by Dept of Mining Engg, BESUB and Corporate Monitor, held at BESUB, Shibpur, 17 Nov, pp. Tech5/1-Tech5/11 (2007).
Singh, A. K., Singh, S. and Karmakar, N. C.	Low cost Adsorbent for Treatment of Coloured Toxic Industrial Effluents	Proc. 22^nd Nat Convention on Environmental Engineering, Dept of Civil Engg, IT, BHU, 7-9 Apr, pp. 116-122 (2006).
Singh, A. K. and Karmakar, N. C.	Characterisaion of Ceramic Materials for their use as Adsorbent for Treatment of Effluents enriched in Metals	Proc. 69^th Annual Session of Indian Ceramic Society, Rajendra Vidyalaya, Jamshedpur, 28-29 Dec, pp. 21-25 (2005).
Karmakar, N. C. and Khare, S.	A Review of Fire Risk Indices Due to Spontaneous Combustion and An Approach for its Assessment	All India Workshop on Underground Mine Fire – Prevention Control and their Impact on Coal Production, org. by IE (I), Dhanbad Local Chapter, held at CMRI, Dhanbad, 13 – 14 March 2004.
Bhattacharya, R. M. and Karmakar, N. C.	New Concepts of Safety Management Systems in India	Nat.Symp. on Sustainable Mining Technology: Present and Future (SMINETECH-2002), Dept. of Mining Engg., Anna University, Chennai, 14-15 March, 2002, pp. 389-395.
Kundoo, S., Chatterjee, S., Thakur, B. K., Bhattacharya, R. M. and Karmakar, N. C.	Periodic Strata Characteristics in a Mechanised Longwall Caving Face – A Case Study	Nat. Symp. on Sustainable Mining Technology: Present and Future (SMINETECH-2002), Dept. of Mining Engg., Anna Univ, Chennai, 14-15 March, 2002, pp. 250-261.
Alam, A., Sen, P. and Karmakar, N. C.	A laboratory Study on Estimation of Frictional Parameters for Mixed Materials	Nat. Symp. on Sustainable Mining Technology: Present and Future (SMINETECH-2002), Dept. of Mining Engg., Anna University, Chennai, 14-15 March, 2002, pp. 70-75.
Karmakar, N. C. and Chauhan, B. S.	Illumination Survey of Working Faces of Opencast Coal Mines, Mine Ventilation, Safety and Environment	Eds. M. L. Gupta, J. K. Pandey and A. Kumar, New Academic Publishers, Delhi, Proc. of *Nat. Sem. on Mine Ventilation Safety and Environment (VSE – 2001)*, org. by CMRI, Dhanbad, 29-30 November 2001, pp. 423-430.
Kundoo, S., Bhattacharya, R. M., Karmakar, N. C. and Mandal, P. K.	Application of SDL and LHD in Bord and Pillar as well as Longwall Panels of Mechanised Coal Mines – A case Study	Nat Ser on Problems and Prospects of Bord and pollar Mining in the New Millennium, org. by Dept. of Mining Engg., BE College, Howrah, 23-24 Nov, 2001, pp. 157-165.
Bhattacharya, R. M. and Karmakar, N. C.	Extraction of Developed Pillars	All India Seminar on Improvement of Production and Productivity in the Industrial Coal Belt, Org. by IE(I), Dhanbad Local Centre at ISM, Dhanbad, August 18, 2001. pp. 62-66.
Maiti, S. K., Sinha, I. N. and Karmakar, N. C.	A Study on Some Important Physical Parameters Influencing Biological Reclammation of Coal Mining Areas	*Seminar on Connect With the World Wide Web of Life*, org. by IE(I), Dhanbad Ch., 5^th June, 2001.
Sinha, I. N. and Karmakar, N. C.	Environmental Management of Indian Mineral Sector – The Policy Web	*Seminar on Connect With the World Wide Web of Life*, organised by IE(I), Dhanbad Chapter, 5^th June, 2001.
Majumdar, S., Karmakar, N. C. and Chattopadhyay, A.	Program Development for Designing of Belt Conveyor, Computer Applications in Mineral Industry	Eds. C. Bandopadhyay and P. R. Sheorey, Published by Oxford & IBH Publishing Co. Pvt. Ltd., New Delhi, Proc. 3^rd Indian Conf on Computer Applications in Mineral Industry (ICCAMI-2001), Central Mining Research Institute, Dhanbad, held at New Delhi, 17-18 March, 2001, pp. 211-218.
Chakraborty, K, Karmakar, N. C. and Chattopadhyay, A.	Development of a Program for Mine Hoisting System, Computer Applications in Mineral Industry	Eds. C. Bandopadhyay and P. R. Sheorey, Published by Oxford & IBH Publishing Co. Pvt. Ltd., New Delhi, Proc. 3^rd Indian Conf on Computer Applications in Mineral Industry (ICCAMI-2001), Central Mining Research Institute, Dhanbad, held at New Delhi, 17-18 March, 2001, pp. 233-242.
Karmakar, N. C. and Chauhan, B. S.	Illumination Survey of Heavy Earth Moving Machinery	Nat. Sem. on Environmental Issues and Waste Management in Mining and Allied Industries (EWM-2001), org. by Dept. of Mining Engg., Regional Engineering College, Rourkela, 23-24 Feb, 2001, pp. 105-109.
Karmakar, N. C.	Controlled Recirculation – A Unique Technique of Environmental Control in the Development Gate Roads of Mechanised Longwall Mining	Nat. Sem. on Mine Mechanisation, org. by Centre of Longwall Mine Mechanisation, ISM Dhanbad, 19-20 January 2001, pp. 172-180.
Bhattacharya, R. M. and Karmakar, N. C.	Present Status and Challenges Ahead of Underground Coal Mine Mechanisation in India	Nat. Sem. on Mine Mechanisation, org. Centre of Longwall Mine Mechanisation, ISM Dhanbad, 19-20 Jan 2001, pp58-69.
Mukherjee, T. K., Bhattacharya, R. M. and Karmakar, N. C.	Success Story of a Semi-Mechanised Underground Coal Mine	Nat. Sem. on Mine Mechanisation, org. by Centre of Longwall Mine Mechanisation, ISM Dhanbad, 19-20 January 2001, pp. 1-18.
Karmakar, N. C., Sastry, B. S. and Singh, R. P.	Developing Biodegradable Polymeric Flocculants for the Treatment of Coal Fines Suspension	*Nat. Conf. on Tissue Replacement Materials & Devices and Biodegradable Polymers & Composites for the Millenium Ahead*, org by SBAOI, BEDPSI and Materials Sc. Centre, IIT KGP, held at IIT Kharagpur, 6-8 Dec 2000, pp. 167-170.
Karmakar, N. C., Chauhan, B. S.	Light Towers – A Promising System of Illumination of Small Opencast Mines	*Nat. Conf. On Mining Engg*. Org. by Dept. of Mining Engg., IIT, Kharagpur, 19-20 Dec, 1997, pp. 136 – 142.
Karmakar, N. C., Sastry, B. S. and Singh, R. P.	New Generation Polymeric Flocculants for the Treatment of Mineral Industry Effluents	*Nat. Conf. on Mining Engg*. Org. by Dept. of Mining Engg., IIT KGP, 19-20 Dec, 1997, pp. 126 – 135.
Karmakar, N. C.	Study of Mine Ventilation Systems Using Tracer Gas	*Nat. Sem. on Problems and Prospects of Indian Mining Industry – Current Status and Future Scenario*, Dept of Mining Engg, REC, Rourkella, 19-20 Dec 1993, pp.4.9–4.15.
Karmakar, N. C. and Das, S. K.	Controlled Recirculation – A Promising Technique of Face Ventilation	*National Seminar on Problems and Prospects of Indian Mining Industry – Current Status and Future Scenario*, org. by Department of Mining Engineering, REC, Rourkela, 19-20 December 1993, pp. 4.1 – 4.8.
Karmakar, N. C.	Use of SF₆ in the Study of Air Leakage Through Stopping and Advancing Longwall Packing	*Workshop on Optimisation of Ventilation System for Conservation of Energy and Control of Fires in Mines*, org. by CMRS, Dhanbad, 14-15 May 1992, pp. II-21 to II-28.
Das, S. K. and Karmakar, N. C.	New Techniques of Environmental Control by Controlled Recirculation Method in Long Heading	*4^th Nat. Convention of Mining Engineers and Seminar*, org. by The Institute of Engineers (India), Dhanbad Local Centre at Indian School of Mines, Dhanbad, 10-12 November 1989.

(E) Publications in Newsletter / Workshop / Magazine etc.

News India (September 2000 issue), the Indian research newsletter from Nature Publishing Group (Macmillan Magazines Ltd., London), has given coverage on ‘Hybrid Flocculents Aid Water Recycling’, the research work carried out by Prof. R. P. Singh and his research group including Dr. N. C. Karmakar.
Bhattacharya, R. M. and Karmakar, N. C. and Srivastava, S. B.’ Some Aspects of Safety Management in Mining Industry, Souvenir on Diamond Jubilee Celebration of Mines Rescue Station, Dhansar, BCCL, 5^th January 2002.
Sinha, I. N. and Karmakar, N. C., Key Note Address on ‘Disposal of Mine and Mill Tailings in India: Problems and Prospects’ in the 1^st Int. Workshop on ‘Planning Design and Handling of Environmental Problems with Mining Activities’ org. by ISM Dhanbad, sponsored by MoEF, Govt. of India, held at IIC, New Delhi, 22 – 24 January 2003.
Aruna, M., Rao, Y. V., Vardhan, H. and Karmakar, N. C., Illumination of Opencast Metalliferrous Mine – A Case Study, Light Newsletter of Indian Society of Lighting Engineers, vol. III, no. II, pp. 22-24 (2003).
Aruna, M., Karmakar, N. C. and Rao, Y. V., Some Problems in Mine Lighting, Light Newsletter of Indian Society of Lighting Engineers, vol. IV, no. I, pp. 34-38 (2004).

(F) Paper Presented in Seminars and Abstract Published

Karmakar, N. C., Sastry, B. S. and Singh, R. P., Treatment of Effluent Containing Fine Coal Particles with Polymeric Flocculants, abstract published in 8^th Annual General Meeting, MSRI, Mumbai, (1997).
Karmakar, N. C., Sastry, B. S. and Singh, R. P., Treatment of Thickener Suspension of Copper Concentration Plant with Polysaccharide Based Copolymers, abstract published in Int. Conf. On Disperse Systems, Calcutta (1998).
Karmakar, G. P. and Karmakar, N. C., Water Soluble Synthetic Polymeric Flocculants and their Industrial Applications, 16^th Nat. Conv. Chemical Engrs., org. by IE (I), Dhanbad Local Chapter, at CFRI, Dhanbad, 4-5 November, 2000.
Bhattacharya, R. M. and Karmakar, N. C., Geo-Mining Constraints in the Exploitation of Coal Seams in Jharia Coalfields, abstract published in Workshop on Geology and Mineral Resources of Bihar, ISM Dhanbad, 6-7 Dec. 2000.
Basu, A. K., Karmakar, N. C., Sarkar, A. and Mukherjee, S., A Morphological Comparison of Size Fractionated Flyash of Stoker Fired Boiler and Fluidised Combustor, abstract published in National Seminar on Instrumental Techniques of Chemical Analysis, Dept. of Appl. Chemistry, Indian School of Mines, Dhanbad, 15-16 Sept, p. 1 (2001).
Karmakar, N. C., Use of Enzyme Hydrolysis in the Characterisation of Graft Copolymers, abstract published in National Seminar on Instrumental Techniques of Chemical Analysis, Dept. of Appl. Chemistry, Indian School of Mines, Dhanbad, 15-16 Sept, p. 33 (2001).
Karmakar, N. C., Sastry, B. S. and Singh, R. P., Application of Polymeric Flocculants in Coal Washery Effluent Treatment – A Case Study, Int. Sem. on Frontiers of Polymeric Science and Engineering (MACRO – 2002, 7^th Nat. Conf. of Society for Polymer Science, India), held at IIT Kharagpur, 9 – 11 December 2002.