SBI Card — Harassment by Recovery Agent

I have an SBI card on which the payment is due. I would like to refer with due respect that I am attending the calls of your recovery agents and reassuring the payments to them. I already made a payment of INR. 5000.
However, I would like to bring to your knowledge that your agent are still tracing me and embarrassing my relatives and friends. Not only this they have even asked my relatives to pay the dues and have threatened them for their job. They are using vulgar and abusive language to me and in one case to my 4 years old daughter.