Yes sure, here I am telling you the contact details of Top colleges providing Astronomical Science course after 12th:

Raman Research Institute,
C.V. Raman Avenue,
Sadashivanagar,
Bangalore - 560 080, Karnataka,
Phone : 080 23610122,
Fax : 080 23610492,

Indian Institute of Science,
Bangalore - 560 012,
Karnataka,
Phone : 080 - 22932001,
Fax : 080 - 23600683,
Email : regr@admin.iisc.ernet.in,

Indian Institute of Astrophysics,
II Block, Koramangala,
Bangalore - 560 034, Karnataka,
Phone : 080 - 25530672,
Fax : 080 - 25534043,
Email : webmaster@iiap.res.in,

Physical Research Laboratory,
Ahmedabad - 380 009,
Gujarat,
Phone : 079 - 26314000,
Fax : 079 - 26314900,
Email : uso@prl.ernet.in.

Tata institute of Fundamental research,
Homi Bhabha Road,
Mumbai - 400 005, Maharashtra,
Phone : 022 - 22782000,
Fax : 022 - 22804610, 22804611,
Email : webmaster@tifr.res.in,

Radio Astronomy Center,
P.B. No 8,
Ootacamund - 643 001,
Tamil Nadu,
Phone : 0423 - 242032,
Fax : 0423 - 242588,
Email : root@racooty.ernet.in.

Inter University Centre for Astronomy and Astrophysics,
Pune,
Maharashtra.

National Center For Radio Astrophysics,
Pune,
Maharashtra.