Below is the link to the government of India site for education.  

http://www.education.nic.in/

This gives information on central universities etc. but the link below also shows the universities that government says are fake.

http://www.education.nic.in/higedu.asp

Model question papers from previous competitive exams can be found at.

http://indiastudycircle.blogspot.com/2008_05_01_archive.html

You can also do a statewise search for list of colleges in the field of your interest

http://www.educationinfoindia.com/streamwisecolleges/streamframe.htm

Information on all the premier  institutes in India can be found at the following website

http://www.indiaedu.com/top-educational-institutes/index.html 

Premier Research Institutes in India are listed here

http://www.indiaedu.com/research-institutes/index.html 

This is a list of all universities that are recognized by the Indian Government

http://goidirectory.nic.in/university.htm