Bachelor of Science in Physics with honors, Delhi University, 1962. Master of Science in Physics, Delhi University, 1964. Doctor of Philosophy, Delhi University, 1969.
Lecturer Delhi University, 1968-1976, reader, 1976-1986, professor, since 1986. Participant, senior participant, consultant International Center for Theoretical Physics, Trieste, Italy, 1971-1997. Visiting assistant professor University Grants Commission/Ford Foundation, Northwestern University, Chicago, 1971-1972.
Commonwealth academy staff fellow Bristol (England) University, 1978-1979.
Married Maya Bhatt, December 27, 1968. Children: Praachi, Parth Shri, Siddharth Shri.