Hey there, It will be somehow difficult to get into NIT because NITs have very high cutoffs. But you can get some other branch in NIT too.

If you want CS or ECE, Then you can try in other good college too as there are a lot of good colleges present too.

I will recommend you to check All The Colleges, That is available for You on basis of your rankings and Reservation, Then You can also check that at Our JEE MAINS COLLEGE Predictor. That will be very helpful for You.