CURRENT MEMBERS:
Ramananda Chakrabarti (PI)
Students pursuing Ph.D. at CEaS:
Gaurav Singh Papola (joined 2021, Jan)
Soumyaroop Bhattacharya (joined 2021, Aug)
Arka Chakraborty (joined 2022, Aug)
Netra Pillai (joined 2022, Aug, ERP)
Sudipa Samanta (joined 2023, Aug)
Arunava Das (joined 2024, Aug)
Subhadip Misra (joined 2025, Aug)
Priyangshu Deb (joined 2025, Aug)
Students pursuing Ph.D. at ICWaR:
Walter Samuel (joined 2017, Aug, co-supervision with Prof. V. Venugopal)
Radhika Varshney (joined 2021, Aug, co-supervision with Prof. Praveen C. Ramamurthy)
Dhrutikam Jena (joined 2025, Aug)
Postdoctoral researchers:
Dr. Prachiti Kanakdade (DST Women Scientist WOS-A, joined April 2023)
Project Staff:
Kingshuk Pal
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ALUMNI:
Ph.D. students
Anupam Banerjee (Ph.D., 2012-2018; Institute Medal for the best Ph.D. thesis) "A geochemical and Nd-Sr-Ca isotopic study of silicate weathering, crustal recycling and petrogenesis of carbonatites". > Niigata University >Faculty, IIT Kanpur
Surajit Mondal (Ph.D., 2013-2019) "Assessing the potential of stable calcium isotope ratios for paleotemperature reconstruction from studies of laboratory-precipitated inorganic carbonates and modern corals, fish otoliths and foraminifera"> University of Saskatchewan, Canada
Pallabi Basu (Ph.D., 2014-2020) "A geochemical, Nd-Sr, and stable Ca isotopic study of siliciclastic and chemical sedimentary rocks, volcanic tuffs, and authigenic glauconites from Proterozoic sedimentary basins of India" > LMV of Clermont-Ferrand, France
Rahul Dasgupta (Ph.D., 2014-2020) "Geochemical and isotopic study of the Lonar and Dhala impact craters and jarosites from Kutch, India, as analogues to understand planetary surface processes" > NISER Bhubaneshwar > PRL Ahmedabad > Freie Univ. Berlin > Univ. Pretoria
Valens Hishamunda (Ph.D., 2015-2021) "A geochemical and Sr, Ca, Li, Mg isotopic study of the Godavari River draining the Deccan basalts" > Texas A&M University, San Antonio > Princeton University
Sarath P. K. (Ph.D., 2019-2023; jointly supervised with Prof. Damien Cardinal, Sorbonne Univ.) "Isotopic tracing (Si, Ca, Sr, H and O) of biogeochemical processes in Indian groundwater along the land-to-ocean continuum" > Stockholm University
Sourav Ganguly (Ph. D., 2016-2023 - joined my group in 2018, Aug) "A stable Strontium isotopic (δ88/86Sr) study of seawater from the Bay of Bengal, coastal groundwater from the Bengal Basin, and the Ganges, Brahmaputra, Mahanadi, and Godavari rivers in India" > Weizmann Institute of Science, Israel
Suraj Singh Chauhan (Ph.D., 2016-2024) "A geochemical and Ca, Sr, Nd isotopic study of the mantle: case studies of Kimberlites, Ophiolites, Abyssal Peridotites, and Layered Igneous Complexes" > Univ. Houston, USA
Utpalendu Haldar (Ph.D., 2018-2024) "A geochemical and Ca-Sr-Nd isotopic study of glacial diamictites, loess, and saprolites to understand crustal growth and silicate weathering" > James Cook University, Australia
Biswajit Panda (Ph.D., 2018-2025, co-supervisors: Profs. Sambuddha Misra and V. Venugopal) "A geochemical, Sr isotopic, and numerical study of river water, groundwater, and sea water interaction in the tidally dominated Hooghly (Ganga) estuary" > IIT Guwahati
M.Tech. / M.S. students
Dipankar Pathak (M. Tech., 2015) "Geochemistry of ordinary chondrites: a case study of the Dergaon, Pengeri, & Mahadevpur meteorites"> University of Bern
Sailaja P. V. (M. Tech., 2016) "Temporal variabiliy in the aquatic geochemistry of the Godavari river" > NC State University, USA
Srishti Sharma (M.Tech., 2018; recipient of the K N Krishnaswamy Medal) "Bulk Rock Geochemical and Strontium & Calcium Isotopic Compositions of (Indian) Ordinary Chondrites"> FSU, USA
Gaurav Singh Papola (M.Tech., 2019) "A Study of the Sittampundi Anorthosite Complex using Petrography, Geochemistry and Inverse geochemical modelling">, IISc, Bangalore
Satendra Kumar (M.Tech., 2021) "An overview of Chromium isotopic variability in nature"
Rishant Prakash (M.Tech., 2023) > "Acids leaching experiments of silicate rocks and its implications for mobility of cations during silicate weathering and dissolution of extra-terrestrial samples" >Arizona State University
Mansi Kesarwani (M.Tech., 2025) "Assessing Elemental Mobility and Weathering Rates in Enhanced Silicate Weathering Experiments and Spheroidally Weathered Basalt using ICP-MS and Sr Isotope Systematics"> Geoexpore Pvt. Ltd.
Undergraduate students
Mainak Guha (BS thesis, 2021)
Harsh Thakur (BS thesis, 2023, MS thesis 2024) > Arizona State University > Yale University
Postdoctoral Researchers
Shiba Shankar Acharya (postdoctoral researcher 2016-2018) > Faculty, Presidency University, Kolkata
Simontini Sensarma (postdoctoral researcher, 2019-2021) > Faculty, IIT Bhubaneshwar
Seema Kumari (National postdoctoral fellow, 2022-2024) > Researcher at University of Munster, Germany
Other students and project staff
Ratikanta Sikdar (2012-2013; Geological Survey of India)
Pallab Chatterjee (2015-2016; Geological Survey of India)
Gautham S. Baichapur (2013-2017)
Sourav Dutta (2017-2018; Coal India Limited)
Aindrila Pal (2020-2021, Rice University)
Pritish Saha (2021-2023, ONGC)
Suchismita Saha (2022-2023, ONGC)
Summer Interns:
Gourab Karak (2012), IIT Kharagpur
Anupam Samanta (2012), Jadavpur University > Ph.D., IISER Pune
Saunak Sinha Ray (2012), University of Petroleum and Energy Studies, Dehradun
Sakkubai Mokhamatla* (2013), Andhra University
Pratishtha Narain (2013), Pondicherry Central University
Jyotsnamani Mohanta (2013), Pondicherry Central University > Ph.D., Univ. Saskatchewan
Proteek Chowdhury (2014), IIT Kharagpur > Ph.D., Rice University
Sampriti Basak (2015), IIT Kharagpur > Ph.D. Ruhr University Bochum
Diptiranjan Mall* (2016), IIT Bombay
Aakash Verma* (2016), Ravenshaw University
Souryadip Ghosh* (2016), Jadavpur University
Shashank P M (2018), IIT Roorkee > Ph.D., LMV Clermont-Ferrand, France
Siddharth Khan (2018), IISER Kolkata > Ph.D., LMV Clermont-Ferrand, France
Debjeet Pathak (2018), Presidency University > Ph.D., Rice University
Tuhin Subhra Mondal (2018), Banaras Hindu University
Paras Singh (2018), Delhi University
Tamalkanti Mukherjee* (2018), Presidency University > Ph.D., IIT Kharagpur
Debosmit Banerjee* (2019), ISM Dhanbad
Leevya T.S.* (2021), ISM Dhanbad (online)
Nivedita Pandey * (2021), IIT Kharagpur (online)
Subhashish Dey* (2021), Cotton University (online)
Joel George* (2022), IIT Bhubaneshwar > Ph.D., University of Göttingen
Debarun Mukherjee* (2022), Presidency University >Ph.D., CalTech.
Kingshook Pal (2023), Presidency University
Jahnvi Sanjayrao Chandne (2024, 2025), IISER Bhopal
R. Ashtami* (2025), IISER Bhopal
Nakul B (2025), Shiv Nadar University
Shubhan R (2025), IISc Bangalore
Nihi Sarkar (2025), IISc Bangalore
* Indian Academy of Sciences Summer Research Fellow