A RuPay sign is seen on the door of an automated teller machine (ATM) while a user is seen, at a commercial building in Mumbai September 11, 2014. A government drive to expand banking services in India is giving a boost to home-grown card payment network RuPay, which expects to quadruple the number of users by March and make debit cards more acceptable in a nation where cash is still king. To match INDIA-PAYMENT/CARDS REUTERS/Danish Siddiqui (INDIA - Tags: BUSINESS POLITICS)