Open your UPI app that supports UPI Lite
Go to the UPI Lite section in the app
Enable UPI Lite using your bank account
Add money to your UPI Lite balance
Enter your UPI PIN if prompted
Use UPI Lite to make small payments at supported merchants
Select UPI Lite as the payment method during checkout
Confirm the payment amount
Approve the payment
Check your UPI Lite balance in the app
Add more money when the balance is low
Withdraw unused balance back to your bank account if needed