SynopsisWhile UPI grew the fastest among all merchant payments modes, credit cards saw a 35% increase in transactions in October to 433 million transactions, compared to around 320 million a year ago, data released by the Reserve Bank of India (RBI) showed.ETtechUnified Payments Interface (UPI) surpassed 10 billion merchant transactions in October, recording a 53% year-on-year surge at the peak of the festive season sales, eclipsing cards and mobile wallets as the home-grown payment system conti...