You can follow below startegies to prepare for CLAT exam

English

In order to prepare for English you should strengthen your grammar. You should read english newspaper daily. Try to learn new words. You can also solve past year questions for your preparation.

General Knowledge

You should be aware of the latest happening. You should read GK books. Read newspapers and watch news on TV on daily basis. solve past year questions for your preparation.

Mathematics

Clear your concepts thoroughly, Refer to past question papers. Focus to the topics which carries more wightage in the exam. solve mock test series to work on your speed.

Legal Aptitude/ Reasoning

Try to understand the question before answering. Solve previous year papers and MCQs for your practice. Learn tricks and short cuts to solve the problems easily. Work on your time management.

All the Best!!