Hello jayant,
There are some best colleges offering IT, CSE courses:-
1.Indian Institute of Technology Bombay.
2.Dayananda Sagar College of Engineering, Bangalore.
3.College of Engineering, Pune.
4.Manipal Institute of Technology, Manipal.
5.RV College of Engineering, Bangalore.
6.Lovely Professional University, Phagwara.
7.SRM Institute of Science and Technology, Chennai.
8.PSG College of Technology, Coimbatore.
9.Vellore Institute of Technology, Vellore.
10.Delhi Technological University, Delhi.
I hope this helpful for you.
Best wishes!!