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