Once i received my credit card, i started getting calls from random numbers asking "whether i got any vouchers for shoppersstop, makemytrip, etc." then they also say that many of SBI customers have not got their cards so the bank is rewarding them with cash back - for which verification needs to be done - then they ask DOB, Address, Mobile Number, and then they ask 16 digit card number and the CVV number.
I did not give - but people be aware and requesting authority to take action !!! Many people loose their hard earned money.