Hello student ,
If the ranks which you mentioned are for JEE mains exam, then you have good chances of getting a seat in NIT's when comparing the results of previous years. But, it all depends on your home state too. However you can go through the following link to know about the cut off's and ranks for the previous years and calculate your chances of selection
https://www.google.com/amp/s/engineering.careers360.com/articles/jee-main-cutoff/amp
Good luck