Read this overall guide for your preparation:
1. Be sincere in your efforts
2. Practice from limited and standard books likeSL Arora HC VERMA, etc. Dont do too many books. Do limited books, and do it more number of times. Become perfect in them.
3. Get a good Guru, if you can find ! Guru is the person who knows what should be done and what should not be done. He/she is the best guide.
4.Focus more on previous year questions of NEET ,AIIMS
Chemistry: NCERT most important. Other than that, for reference, use OP Tandon, Pradeeps, Morrison and Boyd etc
BIO: Start with NCERT, . Then go ahead with previous year questions. You can also refer to Trueman’s.
Physics: Start with SL Arora HC Verma. Then go ahead with previous year Questions directly. More books to practice from: NCERT at your fingertips, NEET Champion. Dont go for any other crap books.