It would be difficult to provide you the exact information about the qualying cutoff & admission cutoff.

As a total of 1,45386 students appeared for JEE Main April session, Using the formula (100-your score)*1,45,386/100

Your probable rank will be 7,269, the chances might be there to get a seat in NITs.

You can check the previous year cutoff with the given below link.

https://engineering.careers360.com/articles/jee-main-cutoff-for-b-arch-b-planning

Good Luck!