Hy aspirant,IIT is one the renowned colleges for engineering and to get seat in IIT the cutoff marks for each category Will be different. As there is lot of competition for the IITS and NITS the cutoff marks for categories like general is around 35 marks which include approximate 10-12 answer in every subject and for SC and St it's around 17 marks. Wish you luck here is a link for your Better understandinghttps://www.google.com/amp/s/engineering.careers360.com/articles/jee-advanced-cutoff/amp