Did we can physically report to the alloted college on sunday in upsee exam given

You need to personally visit the college for reporting and reserve your seat.  You can only confirm your seat by online but if you want the seat you need to visit the College with the documents asked for confirming with fees included. You will be asked to pay the fee along with confirming your seat Where few College's won't ask for fees. So on the paper of allotment order you will have the details