Hello,
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There are Colleges all over India providing space science i.e, Astronomy course.
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But in which state do u  want to study you haven't told us.
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Here is the College list providing astronomy course.
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Aryabhatta resources Institute of observational science.
Indian institute of astrophysics
Indian institute of science education and research
Indian institute of space science and technology
Inter university centre  for astronomy and astrophysics
Delhi University etc
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And more you have.If you would have told us particular state it would be helpful for us to provide you particular information.
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Hope this was helpful.
Thank you