Bachelor of Science in Physics, Mathematics, Chemistry, Panjab University, Chandigarh, India, 1967. Master of Science in Physics, Kurukshetra (India) University, 1969. Doctor of Philosophy, Kishinev (Moldova) State University, 1977.
Lecturer department education, Himachal Pradesh U., Hamirpur and Shimla, India, 1969-1982; assistant professor, Himachal Pradesh U., Shimla, 1982-1984; senior lecturer, Kenyatta U., Nairobi, Kenya, 1985-1991; associate professor, Kenyatta U., Nairobi, Kenya, 1991-1996; professor, Kenyatta U., Nairobi, Kenya, since 1996. Acting chairman physics Kenyatta U., 1990, chairman physics, 1991-1997, Chairman.info. technical committee, since 1997. Chairman faculty of science Board of Undergraduate Studies, since 1997.
Elected member executive council Himachal Pradesh University, 1980-1983. Member Indian Physics Association (life, Shimla chapter secretary 1982-1984), Kenya Physical Society (life, organising secretary 1991-1993, vice chairman 1993-1996), Indian Citizen Welfare Association.
Married Divya Kirti Chauhan, February 8, 1985. Children: Nidhi, Abha.