Here is the list of some of the best colleges for LLB-

National Law School of India University (bangalore)

National Law University ( New Delhi)

Symbiosis (Pune)

NALSAR University of Hyderabad 

Rajeev Gandhi School of Intellectual property(Kharagpur)

National Law University (jodhpur)

Jindal Global Law school (sonepat)

UPES (Dehradun)

Christ University Law School

You need to decide whether to go for government institutions aur private ones. 

To get admitted in good colleges you must go for CLAT entrance examination.

There are 12 National law Universities and for them you need to clear CLAT, there is no other option.

However, there are other colleges that  conduct seperate entrance examination or give admission on the basis of 12th results.