IDFC Bank — Marketing Calls from IDFC Bank

Address:

Bangalore

Dear Sir / Madam,

Every Day i get not less then 10 calls from IDFC bank for sales of cards.
I have been requesting them not call me back as i am not intrested in any service, No use,

I have registered to DND still i get calls

I black list there numbers
They call from different numbers

When i requested them not to call else i will complain to bank
the callers are abusive and rude, they speak abusive language and treat me as he has my detail and she will make me bleed

They are really dangerous and abusive

please help i dont want call on my mobile number.