Hey Rishi.

Admission in LLb courses is done through different procedures. Each University/ college has it's own procedure for admission. Various colleges conduct their own separate entrances for admission. For this session the admission process for most of the top institutes have been concluded already. A few private colleges may still be accepting admissions. For admission in this session you can try that. For admission in the next session the 3 year LLB entrances you can apply for are-

DU LLB- Delhi University

PU LLB- Panjab University, Chandigarh

LSAT- Jindal Global law School, IIT Kharagpur etc

MHCET- GLC Mumbai, ILS Pune other colleges in Maharashtra etc

BHU LLB - Banaras Hindu University

TS LAWCET- Law colleges in Telangana

Etc

Best of luck