- M. Sc. : 1985,Calcutta University
- Ph.D.: 1994, SINP, Calcutta
- Postdoctoral:1993 – 95, MONBUSHO fellow, Japan;1995- 97, SINP, Calcutta; 1997 – University of Houston, US A; IOPB
- research Interest:Surface Physics, Atomic Physics, and Materials Science
- Present Position: Faculty at SINP, Kolkata.
- Email :tapas@surf.saha.ernet.in



