Hey there!

Dear aspirant,

According to the NEET eligibility criteria the candidate must have passed Class 12 or equivalent examination with Chemistry, Biology and Physics as mandatory subjects. They must have scored a minimum of 50% in aggregate and in each subject too for general. OBC/ SC/ST candidates must have scored a minimum of 40% while PwD candidates must score at least 45% in the qualifying exam .

Which means biology as one subject of passing is mandatory .

So you will fill the roll no of the 12th exam passing with the subjects which include biology subject.

And you will submit you marks of subjects then aggregated  percentile and the your main percentage is decided by one language subject i.e. English ,main subject i.e biology and other 3 subjects in which you get high scores. And the remaining subjects becomes additional whose marks won't be added to your main percentage.

And remember on this your CODE will be CODE 2 to fill the NEET appllication.

and for further detail visit : https://medicine.careers360.com/exams/neet

hope this will help you

good luck!