He has significant contributions in the field of Petrology and Geochemistry. He has published more than 85 research papers in International peer-reviewed Journals. He was co-editor of four special issues of different journals. He developed software for Teaching Petrology in the 21st Century (American Geophysical Union). He was the International Leader of UNESCO-IGCP Project 318 on Polymetallic Deposits (1992–95) and coordinated international research activities. He served as a member of Project Monitoring Committees of CSIR and DST, and co-ordinates research cooperation between India and Germany as an Honorary Advisor of DAAD. Dasgupta is a member of INSA Council since 2009.