HDFC Bank Bank Credit Card — CONTINUOUS HARASSMENT

I WAS ISSUED A HDFC BANK CREDIT CARD ON MAY'2008 AGAINST MY HDFC BANK DEBIT CARD(CARD NO.[protected]). THE TOTAL CREDIT LIMIT FOR THE CARD WAS Rs 30, 000.SINCE THEN I HAD A TOTAL PAYMENT OF Rs 10, 000.RECENTLY, I HAVE OPTED FOR SETTLEMENT(MY TOTAL EXPENSES INCURRED IN THIS CARD IS Rs 30, 000).BUT THE Designated Employee of HDFC BANK-Ms Mousumi Bannerjee(Desk No-[protected]) is continuously harassing me to IMMEDIATELY go for selttlement- even after repeated requests from my side that i would opt for settlement option from May'2009 due to financial crisis . She has been repeatedly harassing me and my family members for the last 4 months- Continuously disturbing my parents on land-line no., every now and then sending collection persons for mis-behaving with my parents...And most importantly, even disturbing my neighours for the same-calling them every now and then. Even after making a total payment of Rs 10, 000 till now, i been spending sleep-less nights because of these sort of harassments.My parents are quite aged and even they are feeling un-well due this.
Please do the needful and OBLIGE