Hello Aspirant,

In terms of general preparation, the best book would be you 11th and 12th NCERT textbooks , because the foundation for your preparation lies there. Apart from this, H.C Varma(Concept of physics) books are quite popular and for mock test and question papers for practice Arihant and Oswaal publications are the best. Coming to individual subjects, below are some good books you may refer :

For physics

Objective Physics for NEET – Vol. 1 2020 by Arihant

Objective Physics for NEET – Vol. 2 2020 by Arihant

Oswaal NEET Question Bank Chapterwise & Topicwise Physics Book

Objective of Physics by HC Verma Vol 1

Objective of Physics by HC Verma Vol 2

Complete NEET Guide Physics by MTG

31 Years Chapterwise Solutions CBSE, AIPMT, & NEET Physics

For chemistry

Universal Self Scorer Error-less Chemistry for NEET & AIIMS by Universal Depot

Complete NEET Guide Chemistry by MTG Board

Objective NCERT at Your Fingertips for NEET-JEE – Chemistry by MTG Board

Handbook of Chemistry by RP Singh

32 Years NEET Chapter-wise & Topic-wise Solved Papers CHEMISTRY (2019 – 1988) by Disha Experts

Wiley’s Solomons, Fryhle, Snyder Organic Chemistry for NEET and other Medical Entrance Examinations, 2019 by MS Chouhan

40 Days Crash Course for NEET Chemistry by Arihant Expert

For biology

Universal Self Scorer Error-less Chemistry for NEET & AIIMS by Universal Depot

Complete NEET Guide Chemistry by MTG Board

Objective NCERT at Your Fingertips for NEET-JEE – Chemistry by MTG Board

Handbook of Chemistry by RP Singh

32 Years NEET Chapter-wise & Topic-wise Solved Papers CHEMISTRY (2019 – 1988) by Disha Experts

Wiley’s Solomons, Fryhle, Snyder Organic Chemistry for NEET and other Medical Entrance Examinations, 2019 by MS Chouhan

40 Days Crash Course for NEET Chemistry by Arihant Expert

Apart from this Shree Blaji Publications has a set of 3 books for organic,inorganic and physical chemistry questions.Physics MCQ by Deb Mukherjee and  40 Day Revision Plan For NEET & AIIMS Paperback by Dr. Pooja Vyas and Dr. Aryan Raj can also be used for advance level preparation or revision.

Hope this helps

All the best