ICICI Bank — Credit card charges not reversed

Address:

New Delhi, Delhi, 110030

This is about sr[protected], i was told to pay 47472.96 as complete payment b y icici agent atif, later they added 1737 inr to the charge and i was forced to pay that payment.. I have raised multiple complaints but haven't got any response from them, they are also not giving any information over the phone also.
There are several request number raised but no solution offered.
Icici website says respond will be in 48 hrs but been week no response recieved yet