SMEAT

Hello Mulan, you have got the OBC rank of 46000. All seats put together in different NIT's and GFTI's are roughly about 50000 and the percentage of OBC is I think about 27%. So you can imagine how many seeds are available for those under OBC category. However getting a seat is a different dynamics itself. It all depends on how different students fill up their choices. To help you in this I am attaching a link that can predict the branch and the college that you can get based on your performance in JEE Mains. https://www.shiksha.com/engineering/jee-main-college-predictor
Best wishes to you.

That will depend on your JEE Mains rank. If your rank is Under 40000 then you will get VIT, Vellore.

According to your JEE Mains marks, you will not be able to get any NIT seat. But you can apply for the private colleges. There are many good private colleges which have a good infrastructure and placement. You can use our Shiksha college predicator. So BEST OF LUCK!