Can I use my Tally Debit Mastercard at Pay at Pump?

As with many major banking providers, this is because Tally accounts are not able to be overdrawn and many 'pay at pump' machines do not perform a balance check, they simply check your account can be overdrawn, to operate the pump. This means even if you have plenty of Tally in your account, the transaction will be declined.  

Of course, you can still fill up your car, you'll just have to go to the counter to pay.  Feel free to take that opportunity to smile and tell them you're using Tally!