Hello Vaishnav,

congratulations for clearing your JEE Main Entrance. AS you want to know about the admission in NITs, let make you clear that NITs gives admission to those  candidates who have been in the range of cutoffs of JEE Main. seats are very less and candidates number is too high and there is even chances the candidates with in the range also may not get an admission.

your categorical rank is too high to get selection in NIT. you can go for your state level government colleges where you can get an admission as suitable for you. If you are not getting according to your choice then you can go for private institutes where you can go through counselling by which your fee structure will be less and you can get a branch as you want. Hope you understand!

you can use the college predictor to get the list according to your branch:-

https://engineering.careers360.com/jee-main-college-predictor?utm_source=google-search&utm_medium=paid&utm_campaign=jeemain-clgpd

Good Luck!