IDFC Bank — Harassment of legal department

This is to inform you that the person from legal department is continuing harassing me threatening and abusing me the numbers are as follows[protected],[protected].
I have not taken any loans or product it's only that brother have given my reference number.so these people are continuing calling me.i have already reported this to Rb I have called up and lodge a complaint.
If somebody else have done something wrong I am not answerable to it .I have been taking depression pills as my son have died .
Pls pls help me out and take strict action against those people