State Bank Of India [SBI] — recovery agents from sbi crossing the line which they cannot do!

My brother has some credit card dues on his SBI credit card. We had tried to settle the matter by asking them for settlement but they did not consider anything and were very adamant about everything!
Now this person Piyush Rajpurohit(Employee Id 420443, Phone Number :[protected] is calling one of our neighbour continously and asking for my brother! That girl has nothing to do in all this! They got her number because she has a branch in SBI. This is how SBI bank is using its customers data in an un ethical way!
Using it for wrong purpose. They do not have any right to call someone else like that!