Best NEET books in Hindi Medium are:

• NEET Self Study Guide (Bhautiki/Rasayan Vigyan/Jeev Vigyan)  (Hindi, Paperback, SN Garg, Sushma Verma, Neeraj Chauhan, Monika Singh)
• MASTER THE NCERT JEEV VIGYAN PART-1 &2 by GEETANJALI SINGHAL, SHEETAL SINGHAL
• 40 DAYS NEET JEEV VIGYAN by PRASHANT KUMAR
• 30 Varshiya NCERT Topic-wise Solved Papers BIOLOGY (1988 – 2019) [DISHA PUBLICATION]
• MASTER THE NCERT BHOTIK VIGYAN PART 1&2 by S. Chauhan, Ujjwal Kapoor
• MASTER THE NCERT RASAYAN VIGYAN PART 1&2 by R. K Verma, S. K Bansal
• NEET RASAYAN 40 DAYS by Dr. Sachin Bhola, Priti Gupta

For NEET preparation tips consider the link below:

https://medicine.careers360.com/articles/neet-preparation-tips

I hope this helps. Wish you a great eve!