Why central University people given one chance to participate either in aiq or institutional

Why central University people given one chance to participate either in aiq or institutional
While states have two chance of aiq n two of state round
Central University people are not allowed in any of state quota throughout there life n institutional quota is also for atime period.
By making same single portal n same date MCC did injustice to central University candidates
I don’t think they will be benefited by any no of rounds if portal remain same .
For themR1=R2=R3=…so on…