The effects of general relativity and quantum field theory for compact astrophysical objects such as black holes, neutron stars and white dwarfs.Quantum cosmology, early universe, inflation Polymer (loop) quantization of matter fields. Primordial origin of structures and late time classical cosmology. Issues in canonical quantum gravity, constraint algebra

1. Doctor of Philosophy (Theoretical Physics), IMSc, Chennai (Madras University), 2006
2. Master of Science by Reseach (Theoretical Physics), IMSc, Chennai (Anna University), 2002
3. Bachelor of Science (Physics), Jadavpur University, 2000

1. Professor, IISER Kolkata (current)
2. Associate Professor, IISER Kolkara (2017 - 2025)
3. Assistant Professor, IISER Kolkata (2010 - 2017)
4. Post Doctoral Fellow, UNB Canada (2008 - 2010)
5. Post Doctoral Fellow, Penn State University (2006 - 2008)
6. Junior Research Fellow, IMSc, Chennai (2000 - 2006)

1. Post Doctoral Fellowship from University of New Brunswick, Canada (2008)
2. Post Doctoral Scholarship from Pennsylvania State University, USA (2006)
3. INSA Young Scientist Medal from Indian National Science Academy (2006)
4. Junior Research Fellowship from IMSc, Chennai (2000)

List of Publications: