hi! i would like to tell you that if you werent given an upgradation in the second round, and were allotted the same college, then you only need to report to the college if you have not been there to complete the admission processes. But if you had already visited the college before the next round and had completed all formalities prior then there is no such requirement. However, it would be best if you would call the authorities and confirm if or not the processes have been complete.