Hello Aspirant

According to NEET guidelines you require 50% marks in 12th for open category and

45% marks for obc category.

Here the marks are calculated for both Board and practical exam,they are combined together.

And after combining them the marks that you obtain should be 50% in Physics Chemistry and Biology in all

Practical and board marks are not calculated separately they are combined and then displayed ,as that's what is your fulfilling criteria for NEET

For more details

https://medicine.careers360.com/articles/neet-eligibility-criteria

REGARDS!