ICICIcredit Card — FALSE CLAIM ACKNOWLEDGED BUT STILL ASKING FOR THAT CLAIM WITH INTEREST

Dear Sir,

I would like to bring it in your notice that I have an ICICI BANK CREDIT CARD.They made false claim and when I repeatedly sending mails to them they acknowledged over mail but now they are asking that payment with interest and they are using abusive language.
I went to their wood street office kolkata tried to show Mr.Sabestian Mondal all the communication but he denied to see those email communication try to creat pressure to pay the money ICICI BANK CREDIT CARD claim false ly to me.
I need your help.
Regards
DIPANJAN CHAKRABARTI