Astronomy

Hello Lakshya,
If you have interest in astrophysics, then you should do B.Sc in physics and then pursue your passion. I am giving you a link of premier institutes in this area. Please go through. It's self-explanatory.
https://www.iiap.res.in/opportunities/career

Hello Pramod,
There are 3 colleges in Bangalore which are the top colleges for astronomy and they are:
1) Indian Institute of Science (IISC)
2) Raman Research Institute
3) Indian Institute of Astrophysics (IIA)

Hello Prakruthi,
Yes. you can do M.Sc in Astrophysics after B.Sc in physics. The eligibility is graduation completed with science from a recognized university with a minimum aggregate score of 50%.
Some colleges or universities do conduct some entrance exams for admission.

Hello Sagar,
Astronomy is a very good subject of study and perhaps the best institute to study is IIAP. I am attaching link. Please go through it and then if there are any doubts in your mind please do not hesitate to ask.

Some of the top institutes which offer courses in Astronomy in India are as follows:
Indian Institute of Astrophysics, Bangalore (IIA),
Indian Institute of Science, Bangalore (IISc),
National Centre for Radio Astrophysics, Pune (NCRA-TIFR),
Inter-University Centre for Astronomy and Astrophysics, Pune (IUCAA),
Physical Research Laboratory, Ahamedabad (PRL),
Raman Research Institute, Bangalore (RRI)
There are many other institutes as well and you should explore your options before taking any decision to join an institute.

Some of the popular books on astronomy are as follows:
1) Space Encyclopedia: A Tour of Our Solar System.David A. Aguilar
2) There's No Place Like Space: All About Our solar systemTish Rabe, Aristides Ruiz
3) What We See in the Stars: An Illustrated Tour of the night skyKelsey Oseid

I could find only a few colleges for astrology in Hyderabad. You should explore online to find more such colleges.
1) Department of Jyothisha & Vaastu, Potti Sreeramulu Telugu University
Hyderabad, Telangana
2) Universal College of Astrology, Hyderabad