Hello,
it will depend on the candidate option list , their rank and cutoff for different branch. there is no way to predict it as it is a different process every year.
CSAB is done for NIT campus and many students will apply for NIT campus and 80-85% of seat matrix will get filled by last round. if any seat is left then that goes for spot counselling.
You have to check after every counselling round to know the accurate seats left for different branch.
Hope it helps!
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