hi,

see banaras hindu university is one of the best institute to study bsc courses, numerous students from different parts of india appear for the exam, now bsc courses exam pattern is, you need to attempt 150 question of duration 150 minutes, total marks is 450, if you score around 400+ you have decent chances for shortlisting let alone any category you may belongs to. however cutoff score changes every year and depends on certain factors like number of participants, questions difficulty level, seat matrix.