Dear aspirant,

Yes, NCERT  is enough to get a score of more than 600. But  I would recommend you some following books  to score 650+ like

• Concise Inorganic Chemistry by J D Lee
• N.avasthi physical chemistry
• Organic Chemistry-Morrison Boyd
• Concept of Physics part-1 and 2 by HC Verma
• Objective Physics for NEET Vol.1 and 2 by DC Pandey
• Biology by Trueman
• Pradeep Guide on Biology
• Objective Botany by Ansari

Eligibility Criteria For NEET UG & PG :-

(1)For UG course :- Candidate should have taken up PCB (Physics, Chemistry and Biology) and must have passed class 12 with minimum aggregate of 45% and also candidate qualify NEET percentile.

(2) For  PG course :- Candidate should have an MBBS degree and also candidate  have completed 1 year of training and also candidate qualify NEET percentile

To know more about NEET :-

NEET 2021: Exam Date (Sept 12), Registration (Released), nta.ac.in Updates, Website, Syllabus (careers360.com)

Hope it helps....  :)