How to change UPI account in Paytm?

To change your UPI account or primary bank account in Paytm, open the app and tap your profile icon in the top-left corner. Navigate to UPI & Payment Settings. To change the default account for receiving money, select the bank account you want to use and tap Set as default. If you wish to change your primary UPI ID, tap the three dots next to your current ID, select Change Primary UPI ID, and choose from the available options.