Hello
If you are thorough with the concepts of NCERT textbooks, you can crack the entrance exam. NCERT textbooks of Class 11 and 12 are the best for preparation of AIIMS MBBS exam. Most of the questions asked in the exam are based on NCERT concepts.
You should solve previous year question papers and mock tests. Regular practice and revision is essential to score good marks in the exam.
Go through the link below to check the detailed preparation tips for AIIMS MBBS exam

 https://medicine.careers360.com/articles/how-crack-aiims-mbbs-2019

Good Luck!

p { margin-bottom: 0.25cm; line-height: 120%; }a:link { }