Some of the main institutes in India which offer education in the fields related to cosmology are as follows -
1. Indian Institute of Astrophysics, Bangalore.
2. Tata Institute of Fundamental Research, Pune.
3. Raman Research Institute, Bangalore.
4. Physical Research laboratory, Ahmedabad.
5. Indian Institute of Science, Bangalore.
6. Indian Institute of Space Science and Technology, Thiruvananthapuram.
Each of the above institutes have their own well evolved websites. The author may visit their websites to find out desired information. It may however be noted that admission to such institutes are very competitive in nature.