RBL Bank — fraud transaction took place on my name

Address:

Hyderabad, Telangana, 500081

Hello,
I recently applied for homeloan and during the verification process i came to know that somebody has taken a credit card on my name during the 2017 and its an overdue and home loan are not processing since i have an outstanding and i called to cbil and raised a dispute, and that too 2016 to 2019 i was not in india and not sure how did this bank ppl processed my credit crad, i tried reaching all the numbers given here but no response at all.. I dropped a mail to the team and still no nobody reached to me. Now the bank which i applied a loan from are asking a copy of written mail from rbl that i dont have any outstanding and this is a fraud one so i am not sure how to reach i tried all my possibilites, can somebody help me out in this issue.