Academic and Research Interests

My interests revolve around theoretical and observational understanding of the origin, evolution, future, and fundamental building blocks of our Universe. Do we need physics beyond the standard models of cosmology and particle physics in order to solve some of the most mysterious puzzles about the Cosmos? If yes, what are the promising directions? How can we test the cosmological standard model and its alternatives?

Multi-messenger cosmology: cosmological surveys (Planck, Euclid, SKA, LiteBIRD, CMB-HD)

Early-universe cosmology: cosmic microwave background, initial conditions, inflation and alternatives, primordial perturbations, large-scale structure, primordial gravitational waves, primordial black holes, string cosmology

Cosmic acceleration: dark energy, cosmological constant problem, infrared theories of gravity, large-scale structure, fundamental-physics (supergravity, string theory, quantum gravity) based models of dark energy

Cosmological tests of gravity: large-scale structure (ultra-large scales, nonlinear regime), gravitational waves

Implications of cosmology for fundamental theories: supergravity, string theory, quantum gravity

Large-scale cosmic anomalies and observational tensions: model building and data analysis

Big data, statistical inference and high-performance computing in cosmology and fundamental physics

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Artificial intelligence in cosmology and fundamental physics

Theory and phenomenology of dark matter