Hi there.

There are a lot of universities that offer a 3 year LLB course, some of which are mentioned below:

1. University of Delhi

2. Maharashtra University

3. Allahabad University

4. Osmania University

5. Banaras Hindu University

Each of the above conduct their own entrance examinations for providing admissions into the 3 year LLB course. Of which, DU LLB is the most popular one. 

Here is the link of DU LLB examination details:

Https://law.careers360.com/exams/du-llb

Here is the link for MHCET Law:

Https://law.careers360.com/articles/mh-cet-law

The eligibility for writing these exams is a graduation degree in any stream from any recognized university with 50% aggregate marks.

For preparation, all you need is one book that is Universal's Guide to CLAT & LLB Entrance examinations. It is not necessary to join any coaching, if you follow this book you would be able to clear the examination considering you work hard towards it and solve as many mock tests as possible. If not coaching, join a good mock test series on LLB entrances and you'd