Theoretical cosmology studies the beginning, evolution and final destination of the universe in a theoretical way. Cosmology covers whole long history of the universe from the beginning of time with occurrence of space-time at the moment of Big bang to present epoch at which uncountable galaxies vastly spread in night sky.

Currently ongoing research in theoretical cosmology team is identifying the origin of the accelerating expansion of the universe which is the hottest topic in cosmology as well as inflation right after Big bang, We use supercluster to unveil the secret of the acceleration.