Astronomy and Astrophysics
– Cosmic Microwave Background (CMB)
– Large-Scale Structure in the Universe
– Primordial cosmological perturbations from Inflation.
– Early Universe and applications of QFT in curved spacetime.
• Gravitational wave (GW) Physics & Astronomy
– Lead roles in Indian observational programs in GW observations: direct (LIGO-India) and through CMB polarisation (CMB-Bharat)
– Stochastic GW background