Bachelor of Science in Chemistry with honors, Jadavpur University, 1983. Master of Science in Physical Chemistry, Jadavpur University, 1985. Doctor of Philosophy in Science, Jadavpur University, 1991.
Junior research fellow, University Grants Commission, 1987-1989; senior research fellow, University Grants Commission/Council Science and Industrial Research, 1989-1990; research scientist, Department Science and Technology, 1990-1993, 94-96; research associate, Council Science and Industrial Research, 1994; reader, Banaras Hindu U., Varanasi, India, since 1996. Lecturer Center Electrochemical Research Institute, Karaikudi, 1993, Indian Institute Technology, Bombay, 1994, Patna local chapter Indian National Science Academy, 1995. Leader seminars U. Delhi, 1993, Indian Institute Technology in Theoretical Chemistry Group, Kanpur, 1993.
Member Indian Association for Cultivation of Science (life), Indian Society Disordered Materials (life). New York Academy of Sciences (invited).