New Delhi:The government on Saturday allayed fears over the charges on Unified Payments Interface (UPI) transactions for end users, stating that the transactions will not attract any extra charges for users and small merchants. The Finance Ministry also stated that the vast majority of transactions will also remain free for the merchants. However, a nominal Merchant Discount Rate (MDR) will be applicable for the merchants as and when the charges are introduced. The statement mentioned that a nominal MDR will be "applied only to a limited set of merchant transactions", which are above a certain threshold. Also Read:Will the bill to allow charges on UPI impact merchants or consumers?