What is the preparation strategy of AIIMS Delhi?

Here are some tips that can help you prepare better AIIMS Delhi. 

• Physics - Follow NCERT books for Physics. Solve previous years' questions. The questions are not too difficult. Most MCQs are lengthy and calculative. Learn the shortcuts to solve questions. Solving JEE Mains questions can help. Electrodynamics, Magnetism, Modern Physics, EM, and Optics should be your main target.
• For Inorganic Chemistry, NCERT books are enough. Go through each and every detail thoroughly. For the Organic section, practice as much as you can. Physical section questions aren’t too difficult. If you have a good understanding of the basics, you can solve the questions easily. 
• For Biology, go through the NCERT books and coaching modules. It should be enough.
• The GK/logic section is easy. You don’t need to worry about it much.

Try to take a good number of mocks.