Hey.

There are various law colleges in India that offer the course of 3 year LLB in India. Admission  in this course can be taken after completion of any graduation degree. Here is a list of law entrances for 3 year LLB course -  

DU LLB - Delhi University

  MH CET- GLC mumbai, ILS Pune and other colleges in Maharashtra

  SLAT- Symbiosis Law school

  PU LLB- Panjab University, Chandigarh    

LSAT- Jindal global Law school, IIT Kharagpur and other private law colleges

BHU LLB- Banaras Hindu University

  BVP LLB- Bharatiya Vidyapeeth

TS LAWCET

Etc

Best of luck!