With the Diwali festival season over, the Centre is set to soon impose a Merchant Discount Rate (MDR) on UPI transactions. The National Payments Corporation of India (NPCI) had originally planned to implement it from October 15, but on the demand of traders, it has been postponed until the end of the festive season. According to the rules, if UPI payments exceed Rs 2,000 at a shop, shopkeepers will have to pay 0.4 percent MDR on that amount. The implementation date is yet to be clarified.