 He has received awards from many countries; most notably, the Shanti Swarup Bhatnagar Award in Chemical Science from the (CSIR, India) in 1997 and the TWAS Prize in 2007.He graduated from Presidency College under Calcutta University, and achieved his master's at Rajabazar Science College, Calcutta University.He did his doctoral research under the supervision of Professor Mihir Chowdhury, an eminent scientist in the field of molecular spectroscopy and photochemistry at IACS (1984).