Hello,

1. Make proper time table and make sure that you follow it strictly. At the end of the day rectify where you have wasted your time and make sure not to do so from next day.

2. Take proper sleep and eat healthy food this is most important.

3. Try to master the topics you know and don't take much stress with the topics you don't know because you don't have enough time to study new concepts.

4. Try to solve old question papers. It will help you a lot.

5. Refer books.

6. Practice till you perfect using monk tests.

All the best.