Hey Radha.

There are two types of Law courses- 5 year Integrated courses like BA LLB, BCOM LLB, BBA LLB etc which combine Undergraduation programmes with Law you can take this after 12th directly. and  a 3year LLb course which you can pursue after you have completed your graduation in any discipline. 

For 5 year Integrated course-

CLAT

AILET

SLAT

LSAT

MHCET

IPULAW
And many more.

For 3 year LLB-

DU LLB for Delhi University 


MHCET for GLC Mumbai, ILS Pune and other colleges in Maharashtra 


Symbiosis Law School 


PU LLB Panjab University 


BHU LLB Banaras Hindu University

 
LSAT for Jindal Global Law school, IIT Kharagpur etc.


Best of luck