SBI Credit Card — Unethical behaviour

Address:

Amravati, Maharashtra

Resp sir, I was having credit card which was given in the office who represented sbi cards in 2009 .I could make transactions and made all payments before due date.on satisfying my payments SBI credit cards company gave me the offer of tour for that they charged Rs.6000 and something in due time paid the amount by putting in drop box of SBI BANK, AMRAVATI(MAHARSHTRA) by checue of local branch ie:AXIS BANK AMRAVATI But I could not avail the offer because there was no communication from them for the arrangements they offer in the plan .I was trying to contact with them but no body was replying. finally I could not avail the offer amount was debited in my account.after that every month sbi card representative calling me to pay the interest .Firstly the could not bother to attend me every time deferant employee is contacting for payment I asked them to connect me to their boss but te y could not and till now they are calling me for payment. can I go to consumer forum please guide and solve the problem.