Are you asking for AILET Entrance Exam conducted by National Law University, Delhi for admissions to undergraduate law programmes in the NLU. As per the eligibility you should have minimum 50% in class 10+2. The application form is expected to start from the first week of January, 2019. You can check the complete information with the given below link.

https://law.careers360.com/articles/ailet-eligibility-criteria

In case you have any other query then let me know.

Good Luck!