Hello,

JEE mains examination is the entrance examination for all India engineering and architecture colleges. So if you want to join IITs then you have to qualify this examination then you can give JEE advanced. After clearing JEE advanced examination you can get IITs college.

IITs is Indian Institute of Technology college. So JEE Mains obc cutoff this year 74.31. If you get this then you are qualified for JEE advanced. For JEE advanced minimum cutoff for OBC is 68. But you have to score good to get top 7 IITs in counselling.

All the best.