Hi there,
Your category rank is not that good, but since Nit silchar is not that well ranked, so you might have a chance of getting a seat in the college, it might take you to last round of counselling to get a better branch, hence you have a chance of getting a seat.
You can check about it in more details and about other options also at our college predictor tool
https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile