How sliding round in IPU going to be helpful for students?

IN SLIDING ROUND YOUR PREVIOUS ROUND 2 CHOICES WILL CONTINUE,, AND ALL CATEGORY WILL COVERTED IN GENERAL AND STREAMS WILL BE ALLOTED ON BASIS OF RANKS ONLY .
THIS TIME SPOT COUNSELLING IS GOING TO GET AFFECTED AS SEATS REMAIN VACANT WILL BE FILLED THROUGH SLIDING THAN SPOT.