The new rules will be applicable to users from August 1. NPCI explains that the new changes are being brought with the aim of increasing the reliability, security and speed of UPI transactions in the country. The new rules will be applicable to users of payment apps including Paytm, Google Pay, Phone Pay, etc. Users will not be able to view bank accounts linked to a phone number more than 25 times in a day, and the balance can be checked only 50 times in a day.