Bachelor in Psychology, Hindi and English Literature, Gorakhpur University, India, 1982. Master of Arts in Psychology, Kashi Vidyapith, India, 1984. Doctor of Philosophy in Psychology, Banaras Hindu University, India, 1993.
Beit memorial research fellow Institute Psychiatry, King's College, London, 1999—2002, Wellcome senior research fellow, 2002—2006. Professor experimental psycholgy King's College, since 2006.