- M. Sc.– 1989, IIT, Kharagpur
- Predoctoral : 1990, IOPB
- Ph.D.: 1996, IOPB
- Thesis Title: Absence of Localizationin theGeneralized Random Trimer Model.
- Thesis supervisor: Prof K. Kundu,
- Research Interest: Condensed matter Physics.
- Present address: Faculty at BHU, Varansi
- Postdoctoral: 1997, IIT, BOMBAY;
- Research Associate: Banaras Hindu University,Vanarasi
- Email: dgiri99@yahoo.com
