Congractulation, you have scored very well in the exam, as the results are announced recently the cut off rank for different nits and colleges are still not out but they will be soon till then we can't be absolutely sure about this years cut off but if we look at previous years result a rank around 13-14k will surely be able to give you admission in some good NITs with your desired branch. You may predict the colleges you might get with this rank with the help of our jee main college predictor you just need to enter your all india rank,your category, your home state and your desired branch and you're good to go. I am providing you the link for the predictor, 

https://engineering.careers360.com/jee-main-college-predictor

hi

well defnately you will get NITs like delhi, mizoram and many more make sure you check you rank with suitable branches you are wishing to go check for the below

https://engineering.careers360.com/articles/jee-main-cutoff

all the best