Bachelor of Science in Physics, Bangabasi College, Kolkata, 1972. Master of Science in Physics, Calcutta University, 1975. Doctor of Philosophy, Jadavpur University, Kolkata, 1992.
Resident research associate Jet Propulsion Laboratory, Pasadena, California, 1997—1999. Scientist Saha Institute Nuclear Physics, Bidhannagar, 1987—1997, senior scientist, since 1999.
Member of Indian Society Atomic & Molecular Physics, Indian Physical Society.
Married Lipika Laha, January 28, 1988. Children: Anish, Mayukh.