If you are preparing for CLAT then You can follow the below given preparation tips:

Start with previous year CLAT question papers and previous year papers.

Be updated with General awareness, current affairs updates and even legal updates.

Work on your vocabulary. Read newspapers and relevant novels.

This will also help you in increasing your speed.

Areas of Law to be understood in basic form includes: Law of Torts, Law of Contract, Constitutional Law, Criminal Law and some understanding of Family law. Also do not forget the main part which is attempting online and offline mocks.

The Material you can refer : -Previous year question papers -Norman Lewis- Word Power Made easy -Verbal and Non Verbal Reasoning- By RS Agarwal -Universal guide to LLB Exam -Pearson GK Module -Monthly magazines on GK, Current Affair, Books.

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

Good Luck!