Hey there

For AIIMS I'll suggest you NCERT as base book and then for

Organic chemistry- Arihant Prakashan and ms Chauhan.

Physical chemistry- op tandon and P bahadur.

Inorganic chemistry- j.d Lee.

Check detailed books important for AIIMS

https://www.google.com/url?sa=t&source=web&rct=j&url=https://medicine.careers360.com/articles/best-books-for-aiims-mbbs/amp&ved=2ahUKEwiAh9Sijv_kAhWz8HMBHfJ8AuIQFjAAegQIAhAB&usg=AOvVaw1pry27hwzEOgCa8vR4754k&ampcf=1

Good luck

• Physical Chemistry by OP Tandon:- It is the best book for Physical Chemistry for medical aspirants.
• Concise Inorganic Chemistry by J.D. Lee
• Textbook for Organic Chemistry by Arihant Prakashan
• Dinesh Chemistry:-P.N. Kapil
• Modern's ABC of Chemistry for Class 11 and 12 (Volume 1 and 2):-Dr. S.P. Jauhar

• Thankyou