Hi aspirants

Cosmology is the study of the origins, evolution and basic structure of the universe. While general astronomy deals with individual celestial objects, cosmology is concerned with the universe as a whole. It is also closely related to physics

The basic requirement is to get a Bachelor's degree in Physics, astronomy, astrophysics, mathematics or engineering with a relevant subject like aerospace engineering. This degree can get you like a Research Assistant job in cosmology.

After completing UG you can PG  you can go in field of teaching profession  if you are interested .

Best college in India providing Cosmology

good luck!