Here are some preparation tips you can follow the exam preparation:

Go through with the previous year papers to know the level of the questions & Do practise as much you can.

Make a time schedule & devide your study section wise. Go through with the latest happening related judiciary about supreme court decision on current issue and famous cases and case studies. Read newspapers, Magzines etc. It will be helpful for your exam.

The Exam is devided into the section like

Constitutional Law

Jurisprudence

Law of Contracts, Law of Torts, Criminal Law, International Law, Family Law, Property Law, Intellectual Property Law, etc.

You can prefer Ashok Kumar Jain LLM guide or Delhi Law Academy Material for the exam preparation.

Good Luck!