Reserve Bank Of India [RBI] — fraud call for credit call number and date of birth

Address: 560012

My name is vinayak killedar. I am ph. D student of iisc bangalore, i have received a fraud call from +[protected] and +[protected] on nov 24 for details regarding my credit card number and date of birth. The lady was constantly calling from the above 2 numbers and claiming for protection of my credit card, which i had canceled few months back, that made me a bit suspicious about her intention. Please inquire about the above number so that others don't face the issue.