Acpc — refunding of fees

Address:

Gandhinagar, Gujarat, 382007

I apurva ashvinkumar lalchetahave done seat confirmation payment in initial rounds in nirma university and then has cancelled it in given time limit for camcellation and taken admission in another college but my fees has not been refunded till date.
The payment was done online of 20, 000.
Please refund it asap.
Waiting for reply
Tried a lot at given helpline phone number but no response was given.