Hii Shreedathan!
The only way to succeed and get the marks which you dream for is hardwork or rather, we should say smartwork in a right direction. Each and every chapter is important in every subject. NCERT is the bible for NEET aspirants. You can, although, look at the estimated chapterwise weightage of each subject in the link given below -
https://www.google.com/amp/s/medicine.careers360.com/articles/neet-chapter-wise-weightage-and-important-topics/amp
Hope this helps.
Good luck!

National Eligibility cum Entrance Test

Eligibility | Application | Result | Cutoff | College Predictor | Counselling | Answer Key | Accepting Colleges

Get Updates Brochure