HDFC Bank — credit card payment dispute

Address: Ghaziabad, Uttar Pradesh, 201001

I have Credit Card. Since July onwards bank has started charging me extra without any information. I called customer care for clarification of date and mode of communication but they have no record. I was chasing them regularly but no positive response. But every month bank was increasing my amount for payment. I have updated on tweeter also for the same and one team reverted me that they will update within 5-7 working days but they again cheated and increased more Rs. 5000 on my card.

Their recovery team use to call from different mobile numbers and land line number they also use abusive language.