To pick the best branches, they should get something like 370-380 as it is viewed as a decent score according to the BITS marks versus branch patterns. While the typical score for BITSAT 2022 is more than 300, to get confirmation in different branches, 290+ imprints are viewed as enough for affirmations.

Assuming you have 88 in BITSAT it is hard to get BITS Pilani or the other BIT branches.