He completed his B.Tech. in Engineering Physics (1992) from the Indian Institute of Technnology, Bombay. His M.S. and Ph.D. (1997) were from the University of Chicago, where he explored signals of charge-parity violation in particle physics interactions. Later he was a postdoctoral researcher in ICTP (Trieste, Italy), CERN (Geneva, Switzerland) and Max Planck Institute for Physics (Munich, Germany), before joining TIFR as a faculty member in 2003.
He was one of the first Indian Bronze Medalists in the
International Mathematics Olympiad, held in Germany in 1989.
He has received the Institute Silver Medal from IIT Bombay,
and the Worldlab-CERN John Bell Scholarship. He was
the Leader of the Max Planck -- India Partner Group
in Neutrino Physics and Astrophysics for five years.
He has been elected Fellow of the Indian Academy of Sciences
and the Indian National Science Academy.
He has won the Swarnajayanti Fellowship from the
Department of Science and Technology, and
is the recipient of the Shanti Swarup Bhatnagar Award.