Hello Balaji

First of High five man, equally interested. Well, from my research through internet i found out many articles about astrophysics in Indian and Europe. Some of the best colleges in India are IISC Bangalore, IUCAA , IIA (Indian institute of Astrophysics) Bangalore, IISER Pune, CESSI IISER Kolkata, ICTS, HRI Allahabad, IIST Trivandrum, TIFR , NCRA, RRI Bangalore are good for  Astrophysics. 

Thank you.