dear gaurav
there might no be any seat available for reserved category in any college and this could be the reason you didn't get any seat. but in the second round you should look for vacant seats in following colleges according to rank and category:
for more information use this college predictor :
https://engineering.careers360.com/bcece-college-predictor
GOOD LUCK!
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile