Dear sir I received fraud call twice.1 from Hdfc credit card 9523525851 on 1 Dec 17 05:00pm for Rs. 8000 and 2. From SBI Credit Card from 7065337109 on 06 Dec 17 02:44pm. Today Mr Rohit call me ask for update SBI Credit card while my card activated in last month. He transfer call to senior officers for better explanation Mr naveen from head office Mumbai. They asking SBI have some technical issue in issued CC so all card will blocked and reissue new card. They asked me card detail and making transaction by pazapp for verification of Rs 18000 regards increase limit of 18000. Kindly provide better security and track to frauds. Thanks