HDFC Bank — Cancellation of One Assist Membership

I am a HDFC bank credit card holder . The bank has auto debited Rs. 1899/- from my credit card number ending with 9498 without my concern on date:28/04/2020. I am not interested about this service and don't want this membership any more. So, please cancel the membership and refund this debited amount of Rs.1899/-

Name :- srinivasan
Mobile No. :- [protected]
Credit Card Number Ending :- 9498