1. M.Sc. in Geology from Department of Geological Sciences, Gauhati University (1995).

2. Ph.D. in Coal Geology from Department of Geological Sciences, Gauhati University in (2003).

3. Professor, Department of Geological Sciences, Gauhati University 

4. Former Head, Department of Geological Sciences, Gauhati University 

5. Former Member, State Expert Appraisal Committee (SEAC), Assam, Ministry of Environment, Forest & Climate Change, Government of India (2020-23)

4. Member, State Environment Impact Assessment Authority (SEIAA), Assam, Ministry of Environment, Forest & Climate Change, Government of India (2023 onwards)

Research Areas

• Organic Geochemistry & Petrology
• Sedimentology
• Environmental Geoscience
• Geoinformatics 

Research Projects

(1) "Litho-structural analysis and identification of potential zones of petroleum seepages in parts of the Naga Schuppen Belt, Assam-Arakan Basin: A Remote Sensing and Field Techniques Approach" - Oil India Ltd., 2023 onwards, Rs. 14.5 Lakh.

(2) "Study of sedimentology, lithofacies association, geological mapping of the Mio-Pliocene sedimentary sequence in parts of the Tripura Fold Belt" - Oil India Ltd., 2023 onwards, Rs. 17.2 lakh.

(3) "Stratigraphical evaluation and geological mapping of the Paleogene sedimentary sequence of South Garo Hills region, Meghalaya: a study based on geological fieldwork and satellite image analysis" - Oil India Ltd., 2023, Rs. 3 lakh.

(4) "Study of hydrocarbon potential, depositional environment and geological mapping of the Disang-Barail Sequence in Assam, Nagaland and Arunachal Pradesh" - Oil India Ltd., 2018-2020, Rs. 40 lakh

(5) “Application of new technology for organic petrographic study of shales and coals from Upper Assam and KG Basin” - Oil India Ltd., 2013-15, Rs. 8.4 lakhs.

(6) “Characterization of Tertiary coals of Meghalaya for Hydrogenation” - Oil India Limited, 2010-11, Rs. 7 Lakh.

(7) “High resolution satellite imagery and geological mapping services for AA-ONN-2004/4 Block, Upper Assam basin” -Naftogaz India Private Ltd, 2008-09, Rs. 5 Lakh.

(8) “Study of the pattern of bank erosion and channel migration of the Brahmaputra river from Pasighat to Kaziranga during the period from 1997 to 2009 based on analyses of satellite images in GIS environment” – AIFREMA, Govt. of Assam; funded by Asian Development Bank, 2010-11, Rs. 5 lakh.

(9) “EIA/EMP studies of Kholongchhu Hydro Electric Project” in Bhutan,” 2010-2012, Rs. 22 lakhs.

Papers in Journal

Mahanta A, Sarmah D, Bhuyan D, Saikia M, Phukan S, Subramanyam K S V, Singh A, Saikia P, and Saikia B K, (2024). Geochemical and petrological studies of high sulfur coal and overburden from Makum coalfield (Northeast India) towards understanding and mitigation of acid mine drainage. International Journal of Coal Science & Technology, 11(1).

Gogoi P P, Phukan S and Barooah D (2024). Quantification of 222Rn exhalation rates and effective 226Ra content from geological samples across the Kopili Fault Zone, India. Journal of Radioanalytical and Nuclear Chemistry, DOI:10.1007/s10967-023-09341-1.

Gogoi P P, Phukan S and Barooah D (2024). Measurements of 222Rn exhalation rates, effective 226Ra contents, and radiological risks from geological samples of Kopili Fault Zone and gneissic complex of Shillong Plateau, India. Radiochimica Acta, 112(3), 183-195.

Gogoi P P, Phukan S, and Barooah D (2023). Radiological risk estimation from the terrestrial gamma dose rate in the seismically active Kopili Fault Zone, India. Internation al Journal of Environmental Analytical Chemistry, DOI:10.1080/03067319.2023.2294489.

Mazumdar A C, Pati J, Singh A K, Bhagabaty B, Phukan S, Borah P (2023). Petrography, mineral chemistry, metamorphism and Raman spectroscopic studies of Mahadevpur fall meteorite, India. Geological Journal, DOI: 10.1002/gj.4776.

Gogoi M, Walling T, Thadoju SK, Mathur N, Longkumer L and Phukan S (2022) Organic petrology and geochemistry of coals in the Laisong Formation, Naga Schuppen Belt, NE India: Inferences on hydrocarbon potential and depositional environment. Geological Journal, 57(2), 707-726. (Corresponding author).

Choudhury S, Phukan S, Duarah B P, Goswami D C and Mehta, M (2022) Glacier inventory of Subansiri River Basin in the Brahmaputra catchment using Landsat satellite data: a case study of the Daisaphu Glacier changes. Geological Journal, 57(12), 4939–4954.

Kar R, Phukan S and Baruah H (2022) Organic geochemical assessment and characterization of extra-Peninsular Gondwana coal from Kalijhora Basin, Darjeeling District, West Bengal, India. Journal of Geological Society of India, 98(4), 505-515.

Sonowal P, Khan T, Gogoi M,  Kumar TS, Walling T and Phukan S (2022) Petrography and geochemistry of sandstones of Eocene Kopili Formation, Shillong Plateau: implications on paleo-weathering, provenance and tectonic setting. Journal of the Geological Society of India, 98(2), 219-231. (Corresponding author)

Gogoi M, Mathur N, Satish Kumar T, Walling T and Phukan S (2021) Hydrocarbon potential, maturity and depositional environment of the source rocks in the southwestern part of the Naga Schuppen Belt, India. International Journal of Oil, Gas and Coal Technology, 28(1), 28-51. (Corresponding author)

Banik P, Phukan S, and Das M (2021). Hydrocarbon source potential of coal bearing Tikak-Parbat formation of Barail Group in a part of the belt of Schuppen, India. Journal of the Geological Society of India, 97, 767–771. DOI: 10.1007/s12594-021-1758-3.

Gogoi M, Mathur N, Satish Kumar T, Walling T and Phukan S (2020) Geochemical characterization of shales of the Eocene Disang Group, Kohima Syncline, India: Inferences to hydrocarbon potential and depositional environment. Petroleum Research, DOI: 10.1016/j.ptlrs.2020.09.001. (Corresponding author) 

Gogoi M, Satish Kumar T and Phukan S (2020) Organic Geochemistry, Petrography, Depositional Environment and Hydrocarbon Potential of the Eocene Coal Deposits of West Daranggiri Coalfield, Meghalaya. Journal of Geological Society of India, 95, 84-94. DOI: 10.1007/s12594-020-1389-0. (Corresponding author) 

Imsong W, Choudhury S and Phukan S (2019) Mid–late Holocene fluvial aggradational landforms and morphometric investigations in the southern front of the Shillong plateau, NE India. Journal of Earth System Science, 128:129, 1-26.

Borgohain P L, Phukan S and Ahuja D R (2019) Downstream channel changes and the likely impacts of flow augmentation by a hydropower project in River Dikrong, India. International Journal of River Basin Management, 17(1), 25-35.

Baruah H, Kar R, Phukan S, Das P K, Deka M, Dey T (2018). Reflections from the heavy mineral distributions of some Gondwana basins of extra-peninsular India. Journal of Indian Association of Sedimentologists, 35(2), 59-81.

Imsong W, Choudhury S and Phukan S (2018) Morphodynamics of the Kulsi River Basin in the northern front of Shillong Plateau: Exhibiting episodic inundation and channel migration. Journal of Earth System Science, 127:5, 4-15.

Sharma A, Phukan S, Saikia B K, Baruah B P (2018) Geochemical Evaluation of the Hydrocarbon Prospects of Carbonaceous Shale and Coal of Barail Group, Upper Assam Basin. International Journal of Oil, Gas and Coal Technology, 19(3), 263-282.

Imsong W, Bhattacharya F, Mishra R L and Phukan S (2017) Geomorphic Evidence of Late Quaternary Displacement of the Karakoram Fault in Nubra and Shyok valleys, Ladakh Himalaya. Current Science, 112, 1-23.

Imsong W, Choudhury S and Phukan S (2016) Ascertaining the neotectonic activities in the southern part of Shillong Plateau through geomorphic parameters and remote sensing data. Current Science, 110(11), pp. 1-9.

Sharma A, Saikia B K, Phukan S and Baruah B P (2016) Petrographical and Thermo-chemical Investigation of some North East Indian High Sulphur Coals. Journal of Geological Society of India, 88, 609-619.

Barooah D, Barman S and Phukan S (2014) Simultaneous measurements of radon and thoron, and their progeny levels in dwellings on anticlinal structures of Assam, India. Environmental Monitoring and Assessment, 186(6), 3581-3594.

Duarah B P and Phukan S (2011) Seismic hazard assessment in the Jia Bhareli river catchment in eastern Himalaya from SRTM-derived basin parameters, India. Natural Hazards, 59, 367-381.

Duarah B P and Phukan S (2011) Understanding the tectonic behaviour of the Shillong Plateau, India using remote sensing data. Journal of Geological Society of India, 77, 105-112.

Barooah D, Phukan S and Baruah R (2011) Study of Radon Exhalation Rates using LR-115 (II) Nuclear Track Detectors in coal mining areas of the foothills of Mokokchung District, Nagaland. Indian Journal of  Pure & Applied Physics, 49, 665-668.

Barooah D, Phukan S (2011) Study of subsoil radon anomaly using LR-115 (II) nuclear track detectors in and around the Geleki oilfield, Assam Shelf. Indian Journal of  Physics, 86(9), 801-805.

Hazarika S and Phukan S (2015) Organic geochemical appraisal of hydrocarbon potential and thermal maturity of Lower Paleogene coal deposits of Meghalaya. Journal of Applied Geochemistry, 17 (2), 118-129.

Gogoi C, Goswami D C and Phukan S (2013) Flood risk zone mapping of the Subansiri sub-basin in Assam, India. International Journal of Geomatics and Geosciences, 4.

Hazarika S, Phukan S, Duarah B P, Purohit S, Barooah R K and Raju S V (2013) Source rock potential and thermal maturity of organic matters of the Tura Formation of Palaeogene age, Meghalaya Shelf, India. Journal of Applied Geochemistry, 15, 426-436. (Corresponding author) 

Phukan S, Hazarika S, Subodh P, Barooah R  K and Raju S V (2013) Source rock potential and thermal maturity of coal deposits of the Langrin coalfield, West Khasi Hills, Meghalaya. South East Asian Journal of Sedimentary Basin Research, 1, 45-49. (Corresponding author) 

Barooah D, Barman S.  and Phukan S (2013) Study of environmental radon exhalation, radium and effective dose in Dilli-Jeypore coalfield, India using LR-115(II) nuclear track detectors. Indian Journal of Pure and Applied Physics, 51, 690-695.

Agarwal S, Phukan S, Ghosh P and Ganguli J N (2011) Characterization of clay minerals from shale deposits of Subankhata area, Assam.  Journal of Assam Science Society, 52, 21-26.

Ahmed M, Das P K and Phukan S (2006) The physicochemical and petrographic characters of Eocene coal occurring in Rangsokham area, East Khasi Hills, Meghalaya (India). Ultra Science, 18(2), 251-258.

Phukan S and Ahmed M (2003) Chemical analysis of the Eocene coal of West Daranggiri coal field, Garo Hills, Meghalaya. Journ of Geoscience, 7&8, 40-46.

Ahmed M, Kharmawlong S E, and Phukan S, (1998) Petrography and rank of Eocene coal, Pynursla coal field, East Khasi Hills, Meghalaya. Journal of Geoscience, 3, 7-13.

Ahmed M, Phukan S and Mawkhiew E K, (1997) Character, correlation and depositional environment of Eocene coal, Mawbehlarkhar coal field, East Khasi Hills, Meghalaya. Journal of Geoscience, 2, 17-23.

List of papers in proceeding volumes

Mathur N, Gogoi M, Thadoju, SK, Baishya, G and Phukan S (2019). Anomalous thermal maturity of the outcrops in the Thrust Belt area and its implications to hydrocarbon generation in Assam Shelf. A-1873, Proceeding of the Petrotech-2019, New Delhi.

Phukan S, Morang B, and Ahmed M (1998) Character of Oligocene coal, Anaki area of Mokokchung District, Nagaland., Proceeding of Regional Seminar on Development of Geological Research in North East India,  Gauhati University, Guwahati, pp. 143-153.

Ahmed M, and Phukan S (1999) Trace element characterization of Eocene coal, West Daranggiri coal field, Garo Hills, Meghalaya. Proceeding of 10^th International Seminar on Coal Science, Shanxi, China, 1.  69-72.

Ahmed M, Phukan S and Mawkhiew EK, (1997) Character, correlation and depositional environment of Eocene coal, Mawbehlarkhar coal field, East Khasi Hills, Meghalaya. Journal of Geoscience, 2, 17-23.

Phukon P, Phukan S, Das P and Sarmah B (2004) Multicriteria evaluation in GIS environment for groundwater resource mapping in Guwahati city areas, Assam. Proceeding of Map India 2004, New Delhi.

Phukon P, Phukan S and Goswami R (2005) Municipal solid waste (MSW) disposal site selection in and around Guwahati city using GIS. Proceeding of Map India 2005, New Delhi.

Barman P, Phukan S, Goswami DC (2009) Application of Remote Sensing and GIS for Integrated Urban Flood Management- A Case Study of Guwahati City, Assam, India. Proceeding of Annual Symposium of Indian Society of Remote Sensing, Nagpur.

Book

Phukan S and Khound J (2017) Coal Deposits of North East India. Action Aid India, 110p.

Monograph

Phukan S, Gogoi M, Mathur N and Satish Kumar T (2017) Atlas of Organic Petrology Photomicrograph: Upper Assam Basin. Oil India Ltd (Internal Publication).

Chapter in Book

Phukan S (2017) Geological background of the sites of Assam with evidence of engravings and related archaeological evidence, in Malla, B.L. and Bezbaruah, D. eds. Cultural Ecology, Prehistory and Ethnoarchaeological Context of Indian Rock Art, IGNCA Rock Art Series-15, Published by Indira Gandhi National Centre for Arts and Aryan Books International, New Delhi, pp. 51-56.

1. Watinaro Imsong, CSIR NET-JRF Fellow, completed (PhD)

2. Smita Devi Bora, UGC NET-JRF Fellow, completed (PhD)

3. Ranjeeta Kar, DST-INSPIRE Fellow, completed (PhD)

4. Arpita Sharma, completed (PhD)

5. Mousumi Gogoi, Project Fellow, Completed (PhD)

6. Poly Sonowal, UGC RGNF Fellow, Completed  (PhD)

7. Diganta Barman, working (PhD)

8. Dipjyoti Borsaikia, working (PhD)

9. Satabdi Baruah, NET-JRF, working (PhD)

10. Chinmoy Borah, NET-JRF, working (PhD)

11. Umang Kharia, working, (PhD)

12. Neivikhotso Chaya, working, (PhD)

Co-Guide in other University

1. Ketseinuo Suohu, NET-JRF, Department of Geology, Nagaland University