Hi aspirant

hope you are doing absolutely fine

Glad that you expect 670marks in NEET entrance exam. But here is the eligibility for NEET-

• Candidate must secure minimum of 50% aggregate in 10 + 2 higher secondary education from a recognized college/ university for a general candidate while it is 40% for SC/ ST/OBC
• The subjects in 10 + 2 higher secondary must be physics, chemistry and biology

AS mentioned by you, you have secured 43 % marks in 10 +2 , you can surely apply for the entrance exam.

ALL THE BEST

HOPE IT HELPS

Dear Aspirant

Yes, you are eligible for 15 % All India Quota Counselling. As you belong to the OBC category the minimum percentage aggregate of PCB  required is 40%.

Whereas, the class 12 percentage required for NEET 2021 exam is separate for each category and can be listed as under. NEET eligibility marks in class 12 to be considered are aggregate marks only for PCB subjects

• UR - 50%,

• OBC/SC/ST - 40%,

• PWD - 45%

You can also check your eligible college via NEET COLLEGE PREDICTOR

https://medicine.careers360.com/neet-all-india-college-predictor?