Google Pay Guidelines

Step 1: Open your Google Pay App
Step 2: Tap a contact to make a payment. If you don’t see the person that you want to send money to, tap on ‘New Payment’ on the home screen and tap the third option ‘Bank transfer.’ Enter all the Bank details and tap ‘Continue.’
Step 3: Tap ‘Pay’ and enter the amount with description (what’s this for?)
Step 4: Tap Proceed to pay.
Step 5: Enter your UPI PIN.

When the money has been transferred, you’ll receive a notification. You’ll also get a complete SMS from your bank about the debited amount.