... towards excellence in science

An Autonomous Institution, Under the Ministry of Education, Government of India

Prasanta Sanyal

Dept: Earth Sciences (DES)
E-mail: psanyal [at]
Personal homepage: Click Here

Research Interest:

1. Evolution of monsoon in Indian subcontinent. 2. Molecular level isotopic characterization of vegetation and its implication to paleoecology. 3. Calcrete on metamorphosed rock, their genesis and implications to climate.4. Elements and isotopes to understand a large river system. 5. River Response to climate change.6. Monsoon Dynamics.

Academic Background:

  1. PhD (Geology), Physical Research Laboratory (University of Baroda), 2004
  2. MSc (Applied Geology), Jadavpur University, 1998
  3. BSc (Geology), Jadavpur University, 1996


  1. Professor, IISER Kolkata ( - )
  2. Associate Professor, IISER-Kolkata (2010 - 2016)
  3. Assistant Professor, IIT-Kharagpur (2006 - 2010)
  4. Research Scientist, Indiana University, USA (2009 - 2009)
  5. Lecturer, BHU (2005 - 2006)

Awards and Honors:

  1. National geoscience Award from MInistry of Mines (2016)

Selected Publications:

  1. Ghosh, Sambit; Sanyal, Prasanta and Kumar, Rohtash. 2017."Evolution of C4 plants and controlling factors: Insight from n-alkane isotopic values of NW Indian Siwalik paleosols." Organic Geochemistry, 110, 110-121
  2. Basu, Sayak; Agrawal, Shailesh; Sanyal, Prasanta; Mahato, Poritosh; Kumar, Satyam and Sarkar, Anindya. 2015."Carbon isotopic ratios of modern C3–C4 plants from the Gangetic Plain, India and its implications to paleovegetational reconstruction." Palaeogeography, Palaeoclimatology, Palaeoecology, 440, 22–32
  3. Agrawal, Shailesh; Galy, Valier; Sanyal, Prasanta and Eglinton, Timothy. 2014."C4 plant expansion in the Ganga Plain during the last glacial cycle: Insights from isotopic composition of vascular plant biomarkers." Organic Geochemistry, 67, 58-71
  4. Agrawal, Shailesh; Sanyal, Prasanta; Sarkar, Anindya; Jaiswal, Manoj Kumar and Dutta, Koushik. 2012."Variability of Indian monsoonal rainfall over the past 100 ka and its implication for C3–C4 vegetational change." Quaternary Research, 77, 159-170

All Publications: Click Here