HDFC Bank — cancellation of one assist membership

I am a hdfc bank credit card holder. My card dint even activate yet. The bank has auto debited with opening balance rs. 3, 899/-, and debits of rs. 494.04/-, finace charges of 139.25/- from my credit card number ending with 6668 and asking the total amount due for rs 4, 533/- without my concern on date:13/06/2018. I am not interested about this service and don't want this membership any more,. So cancel the membership and refund this debited amount of rs 4, 533/-

Name :- vedhavalli m b
Mobile no. :- [protected]
Credit card number ending :- 6668