Hi aspirant,

See in order to accept an allotted seat you need to fill the status retention form before due date and once the date is over the seat will be considered vacant for the subsequent rounds if you do not fill the form. So in case you apply for betterment in the further rounds of counselling and the allotment is done after the due date of first round you will definitely lose the seat. So please be confirm about the dates of counseling and analyse your decision of applying for betterment.

Hope it helps!!