His research interests expanded in the academic ambience of IISc to include isotope hydrology, carbon sequestration, global circulation model, reconstruction of seasonality, exploring quaternary records using high-resolution archives like gastropods, mollusc, rice grains, and speleothems.


  • Paleoclimatology
  • Isotope Geochemistry Geobiology
  • Isotope Hydrology
  • Climate-Tectonics Interaction


  • PhD, 2001

    Physical Research Laboratory

  • Masters in Applied Geology, 1994

    Indian Institute of Technology, Roorkee

  • BSc Geology, 1991

    Hansraj College, Delhi University