For CBSE board 10 std , for marks in final exam are they consider all performance of FA1, to FA4 & also SA1 or Just SA2 , means it is avarage performanc eof whole year for just marks of SA1 is considered ?

The marking scheme for cbse is as follows
The grade is to be calculated on the basis of overall performance in all the assessments i.e formative (FA) & summative (SA) as per the following weightage:

Term I: FA1 (10 per cent) + FA2 (10 per cent) + SA1(20 per cent) = 40 per cent
Term II: FA3 (10 per cent) + FA4 (10 per cent) + SA2(40 per cent) = 60 per cent