[Resolved]  HDFC Bank — charges related

Unfortunately i was using the hdfc credit card more than a year ago and last time when i made the payment it got late few days and on that 500 charges the bank had put so many charges which i was unaware and in april 2019 i receive a call from the bank collection department that lady requested me to pay 2000 ruppee and promise me that after 2000 ruppee payment my card will get closed and i will get my noc and now when i called she used abusive language and denied to help me i contact bank also they apologies only but asking me to pay 3000 more but i didnt pay anything they are making people fool they allowing their employees to use personal mobiles to call customer and later they are saying that we dont have recorded calls dont have any proof is this our responsibility to keep the track or bank i just want to close my card and reverse all the charges i will not pay anything for this card and want my noc im attaching that image also in which that lady had send me my card number details to pay the 2000 amout also pls help me and get it reversed