Getting UNWANTED calls from HDFC bank

Location/place: KOLKATA/WEST BENGAL

Name of company/service: HDFC BANK

Dear Team,

I am always getting calls from HDFC bank. Ther are asking about HDFC credit card to become a customer. I have activated DND on mobile no and also, I have told them lot of time that, I have not any requirement of credit card and don’t call me. But they are calling again and again.
Phone no’s are as mentioed bellow..

Phone No Date Time
—————————-
98048 00694 — 26/11/2012 12:49
80132 76295 — 26/11/2012 11:54
98048 00149 — 24/11/2012 – 16:10
72780 43558 — 24/11/2012 – 13:48
98048 00696 — 23/11/2012 – 14:36
98048 00696 — 22/11/2012 -13:09
98048 00695 — 22/11/2012 – 16:21
72780 43556 — 22/11/2012 – 17:01