Hey. The most common entrance exam for admission in law colleges in India is CLAT which gives you access to admission in 20 NLUs.
But there are other two NLUs which conduct their own entrance exam. NLU Delhi which takes admission through AILET and NLU Himachal Pradesh conducts HPNET.
There are also other colleges which conduct their own entrance test as provided below:

• MH-CET is conducted for entrance in law University of Maharashtra like GLC, Mumbai.
• Punjabi University Patiala conducts entrance exam for admission in Army institute of law, Mohali.
• Delhi University law entrance exam is conducted for admission in Colleges under DU.
• BHU-UET for admission in BHU.
• AMU entrance exam for admission in BHU.
• You can also take admission in certain reputed private universities through LSAT.
• SET is for Symbiosis. You should give as many exams as possible to increase your chance of admission because all of these exams have almost the same pattern of question.

Procedure of entry in this law college