Hello raghavendra!!

With 85.8 percentile in jee mains  and ews category rank 17491 it is hard to get any branch in any of the NIT's or IIIIT'S

However as these cutoffs are based on previous years data and trends so lets hope that the best happen to us.

As you said you have ews category ,so there might be a chance that you get any of the border seat in NIT or IIIT.lets hope and move forward

Also if not then there are many other colleges awaiting for you which give you seat in the branch you desired ...

I m providing you a link for  knowing colleges in which you can get a seat for your rank  in JEE MAINS  and category,please see the following link :

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

Https://engineering.careers360.com/jee-main-college-predictor?utm_source=C360&utm_medium=qna&utm_campaign=jee-main-college-predictor

All the best