Axis Bank
Credit card collectors harresment

Please help me

i am one of the credit card user of axis bank and not using it from two and half year

i had make hundred of attempt for deactivating that card but no one do that from axis bank from last two year and now interest is increasing day by day now there collection center guy are abusing me utters bad word and pressurizing to make payment on the spot now tell me whose fault is this?

and what i have to do i am in tight corner now because i m working and my salary is not of that much to pay that particular amount please guide me