Hello!

Yes, you are eligibile as most of the law colleges and universities basically requires an aggregate of 45% in the graduation degree (40% for reserved category), for 3 year LLB course. Universities like DU and BHU require minimum 50% marks while universities like Kurukshetra, Rohtak, Meerut requires only 45% marks in graduation. The qualifications of graduation may be obtained through any mode (Distance/correspondence/open schooling method).

http://www.barcouncilofindia.org/educational-criteria-educational-qualification-required-for-admission-into-3-year-and-5-year-law-courses-in-india/