The investigation of singularities or their avoidance by means of the Raychaudhuri equations in general relativity or other gravity theories. Use of a mean field approach to study phase transitions in liquid crystals. Lie - algebraic techniques in the field of Quantum Optics, especially in squeezed states and matter radiation interaction.

1. PhD (Physics), Jadavpur University, 2001

1. Professor, IISER Kolkata (current)
2. Associate Professor, IISER Kolkata (2013 - 2025)
3. Assistant Professor, IISER Kolkata (2007 - 2013)
4. Senior Lecturer, Jadavpur University (2005 - 2007)
5. Lecturer, St. Xavier's College (1999 - 2005)

1. INSA Teacher award from INSA (2023)

List of Publications: