Dear Rajesh, Candidates belonging to the general category are required to score a minimum of 50% marks or an equivalent grade point aggregate to apply. Applicants belonging to the SC/ST Category must score a minimum of 45% marks to apply. Candidates who belong to the OBC Category must score a minimum of 45% marks to apply. This is the only eligibility criteria set. 

Ideallt when you enrolled for LLB, the duration of course will be mentioned. The maximum no. of years that you should complete the course is usually mentioned. If you have completed your degree within that time framee, you are eligible for the entrance test.