To apply for NEET, You must pass class 12 with physics, chemistry, biology/biotechnology, and English.
You must clear all your 12th-grade subjects without backlogs to be eligible for NEET.
To qualify for NEET, General and EWS candidates need 50% in 12th, while OBC, SC, and ST candidates need 40%.
Your 12th-grade marks matter for NEET. If you don't pass 12th with the needed score, you can't take NEET UG.
Your 12th-grade marks don't matter in counselling. Only your NEET scores and ranks are considered.