Hello,

First and foremost NCERT should be your bible. Especially for biology and you should most concerned with keeping your concepts clear.

Below is the subject wise preparation

Physics- This subject tests your analytical skills. The physics questions in the AIIMS exam are advanced, but if your concepts are clear, then you can easily solve it. Practice as many Assertion & Reasons questions as you can.

Chemistry – In the past, most of the questions have been NCERT-based. Hence, refer to NCERT books for practice.

Biology – Follow NCERT & the Trueman’s series of books.

General Knowledge – You should read newspaper and magazines for your knowledge.

You should refer to previous year papers to understand the exam pattern and level of questions. Solve as many as mock test series to know your strength and weakness. So, you can work on them. You should also work on your time management.