Acharya Jagadish Chandra Bose College A.J.C. Bose Road Kolkata Answered Questions

Please refer to the link provided below where you should be able to download the college brochure which contains important details like eligibility for this course, admission guidelines, etc.
https://www.shiksha.com/teaching-education/course/b-ed-acharya-jagadish-chandra-bose-college-a-j-c-bose-road-kolkata-212243

Eligibility for M.Sc in Astrophysics:
The minimum eligibility required for admission for the course is, the candidate must have completed graduation with science from a recognized university with a minimum aggregate score of 50%.
A few universities and colleges in India conduct entrance examinations for admission for the course.
M.Sc in Astrophysics: Admission Process:
Admission for the course is conducted in 2 stages:
Institutional Test.
Personal Interview- involving assessment of fitness, work experience, publications and statement of purpose. Most colleges admit students for the course on the basis of their performance in the relevant entrance test. Some institutions/ universities conduct their own entrance tests for offering admission. The admission process may vary from college to college.
M.Sc in Astrophysics: Academic Options:
Upon successful completion of the course, successful postgraduates interested in higher studies in the discipline may go for pursuing M.Phil./ PH.D. in the subject.

Dear Akash,
Both the institutes mentioned by you are equally good and thus it will be very difficult to tell which one will be the best option. However, we can help you with the parameters that you can keep in mind while choosing an institute among them. You can consider the below parameters
1) Faculty,
2) Affiliation / Recognition
3) Course Material,
4) Quality Education,
5) Fees
6) Infrastructure
7) Success Rate.
8) Placement
9) Top recruiting companies.
Also, if possible go through the alumni speak section to get an idea what the alumni thinks about the institute.
I hope this information helps. Please feel free to revert.
Wish you luck.