Bachelor of Science in Physics, Calcutta University, 1968. Master of Science in Physics, Calcutta University, 1970. Doctor of Philosophy in Physics, Calcutta University, 1977.
Postdoctoral research and teaching assistant, U. Toronto, 1977-1978; postdoctoral research associate, Yale University, New Haven, 1978-1981; associate research scientist, Yale University, 1981-1985; senior scientist, Eugene Technology International, Inc., 1985-1990; senior research scientist department virology, Bristol-Myers Squibb Pharmaceutical Research Institute, Wallingford, Connecticut, since 1990.
Married Swapna Dutta, January 27, 1981. Children: Mitun, Rahul.