Hello, 

The preparation strategy for NEET 2021 will be same as the preparation for NEET 2019 and 2020. The NCERT books are enough for preparation however you should make sure that the you prepare thoroughly and revise regularly. Proper timetable preparation and following the timetable for studying and taking a proper amount of time for each and every topic preparation is important. For more guidance about preparation please click on the following link.

https://www.google.com/amp/s/medicine.careers360.com/articles/how-to-prepare-for-neet/amp

Good Luck.