I have done my Ph.D. work at University of Calcutta under supervision of Prof. Amitava Raychaudhuri.
I have received the Ph.D. degree in 2004. After that, I joined University of Delaware, USA as a
postdoctoral research fellow under Prof. Qaisar Shafi. Then in 2006, I moved to Saclay, France with
Marie Curie postdoctoral Fellowship to work with Prof. Carlos A. Savoy. In 2010, I went to Enrico
Fermi Institute, University of Chicago as a visiting Scientist and in July, 2010, I have joined IIT Guwahati.