Hello,

The marks which you have scored in your JEE main exam is a decent one and also you belong to the category which you mentioned above and surely it will going to help for getting admission. But saying about getting  NIT or IIIT in this particular marks would not be possible at all because it has a huge crowd of students applying every year and hence, the competitions are too high. But definitely get your rank first by using rank predictor for which link is given below:

After getting your rank you can approach many more colleges according to your interest, for more colleges where you have chances you can use the below given link:

https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer

Thank you..