You can use card on any app/site where Rupay preapid card as a mode of payment is accepted.

Please enter the card details, Expiry, CVV at any online website.
You will be asked to enter the OTP to complete the transaction.
That's the online process.

** For offline Merchants you have below option:**
Swipe the card : Swipe the card at the card machine and enter the card Pin which you have set from the Junio app.