Bachelor of Science, Brojo Mohan College, Barisal, 1944; Master of Science, Calcutta U., India, 1946; Doctor of Philosophy, Calcutta U., India, 1951.
Research associate, University of Illinois, Champaign-Urbana, 1953-1955;
lecturer in Chemistry, Calcutta U., 1955-1957;
chemist in charge, Geological Survey of India, Calcutta, 1957-1966;
chairman, Geological Survey of India, Calcutta, 1981-1986;
professor of chemistry, West Virginia State College, Institute, 1966-1991;
professor emeritus, West Virginia State College, since 1992. Research chemist Union Carbide, Charleston, West Virginia, 1966. Research advisor Oak Ridge (Tennessee) National Laboratory, 1971-1972.
Project manager toxics United States Environmental Pollution Agency, Washington, 1986, National Institute for Chemical Studies, Charleston, 1988.
Member American Chemical Society (secretary Kanawha Valley section since 1993, symposia organizer 1998, Outstanding Science Achievement award 1971), K/P LEPC, Dunbar/Institute Chandra Shekhar Azad, West Virginia Academy Science (life, president 1983-1984), Air and Waste Management Association, Lions.
Married Seba Sengupta, June 17,1952. Children: Urmi, Shiladitya.