HDFC Bank — hdfc one assist cancel and refund

Hi,
I am harapriya.
I have a snapdeal hdfc ceditcard ending with 4163 xxxx xxxx 6167. It it charged rs 1299/- and also converted to emi without my concern. So i am charged total rs 1417/- (1299+100+18) on 19-oct-2017. I have called so many times to cancel the membership but no response.
I dont want the membership of one assist. So kindly deactivate the membership as well as the emi and refund all the amount.

Kindly inform the customer before activting this type of membership or emi.

Thank you.

Harapriya mahanta.
[protected]@gmail.com