• Academic profile:
    B.Sc. Hons. Mathematics, University of Delhi 1979.
    M.Sc. Mathematics, Indian Institute of Technology Delhi 1981.
    Ph.D., Tata Institute of Fundamental Research, Bombay, January 1991 (Supervisor M S Raghunathan, FRS).






  • Some Responsibilities and Recognition:
    Elected Fellow of the National Academy of Sciences, Allahabad, India;
    National Co-ordinator in charge of the Mathematics Olympiad program in India;
    Secretary, Ramanujan Mathematical Society
    Member, Board of Studies of Homi Bhabha National Institute.
    Member, Board of Studies, Christ University Bangalore.
    Member, Recruitment Committee, IIIT Bangalore.



  • Research interests:
    Algebraic groups over global and local fields, Combinatorial methods in group theory and number theory, Diophantine equations, Division algebras, Algebraic number theory, K-theory.



  • Editorial duties :
    (i) Proceedings of Mathematical Sciences, Indian Academy of Sceiences
    (ii) Resonance
    (iii) Mathematics Student
    (iv) Mathematics Newsletter of the Ramanujan Mathematical Society
    (v) Indian Journal of Pure and Applied Mathematics