How do they reserve seats in IIT for each category, do they have separate rankings for each category
Yes, as per the cbse regulations every caste is having some reservations percentage. Suppose it's 15% FIR so according to this the seats in nits/iits.
All the best.
Because there are many IIT's and every IIT is have different courses. so if you clearly mention for which IIT are you you talking about then we can answer this query regarding the seat reservation Matrix in IIT...