• Gravitation and cosmology.
• At present working on i) building up models for the present accelerated expansion of the universe, ii) some problems on black hole physics, iii) quantum cosmology

• PhD (Physics) Jadavpur University 1986
• M.Sc (Physics) University of Calcutta 1981
• B.Sc. (Hons Physics) University of Calcutta 1978

• Professor, IISER Kolkata (2008-)
• Professor, Jadavpur University (2006-2007)
• Reader, Professor, Jadavpur University (1998-2006)
• Senior Lecturer, Jadavpur University (1991-1998)
• Lecturer, Sripat Singh College (1986-1991)

To be updated.

To be updated.