hi,

see the rules for percentage making in nmims npat is you need to consider all of the subjects in which you have appeared in 10+2 board exam and must have passed in all subjects individually, failing in any of the subjects in board exam, disqualify you for nmims npat exam.

you may follow the below link to know in details,

https://www.npat.in/npat2020/handout/SCHOOL%20OF%20COMMERCE.pdf