For MangirKart payment method there aren’t any test data available, but you can see how it works with the payment flow given below.
MangirKart Payment Flow
The Customer enters his email address.
The Customer enters the 16 digit PIN. He also has to check and agree to the Terms of MangirKart before proceeding with the payment.
The customer sees the payment summary and details. He completes the transaction by clicking on the Pay button.
Upon completion of the payment flow the customer is redirected back to your ReturnURL.