Bachelor of Science, University Mysore (India), 1963. Master of Science, Bangalore (India) University, 1965. Doctor of Philosophy, University Texas, 1972.
Lecturer physics, Bangalore U., 1965-1969; postdoctoral fellow physics, University Texas, Austin, 1972-1973; research associate, Indian Institute Science, Bangalore, 1974-1975; professor physics, Indian Institute Science, Bangalore, since 1990; scientist, Indira Gandhi Center Atomic Research, Kalpakkam, India, 1975-1990. Associate International Center for Theoretical Physics, Trieste, Italy, 1987-1994.
Fellow Indian Academy of Sciences. Senior fellow (honorary) Jawaharlal Nehru Center for Advanced Science Research.
Married Jaya Sampathiyengar, July 4, 1976. Children: Abhay, Udaya Raghavan.