How to set up a UPI PIN in Paytm?

To set up a UPI PIN in Paytm, open the app and tap your profile icon. Navigate to UPI and Payment Settings and select the bank account you want to link. Tap Set PIN and choose to verify using either your debit card details (last 6 digits and expiry date) or your Aadhaar card (first 6 digits). Enter the OTP received on your registered mobile number, then create and confirm your unique 4 or 6-digit UPI PIN to authorize future transactions securely.