Dear aspirant, 

I'm providing you the link in which you will get each and every information regarding the previous year cutoff or opening and closing rank of various Nit's for all branches.

Just go through the link which and revert back if you still have doubts. 

https://www.google.com/amp/s/engineering.careers360.com/articles/nits-cutoff-for-top-btech-branches/amp

All the best for your next journey..!!