Hey.

There are various different entrance examination for admission in 5 year BA LLb courses. The most sought after entrance are-

CLAT ( for all the NLUs)

AILET ( NLU Delhi)

MHCET ( GLC Mumbai, ILS Pune, other colleges in Maharashtra)

SLAT (Symbiosis Law School)

LFAT ( Allahbad University)

LSAT ( Various Private colleges)

BHU.

PU BA/BCOM LLb

BVP Pune

Christ University

The application procedure for each college is different, you can use the link below to check the official links for each.

https://www.google.co.in/amp/s/law.careers360.com/articles/9564-law-entrance-tests/amp

Best of luck!