If the payment fails and the amount is deducted from the bank account, the amount will be credited back to your account by the bank.
It can be checked by waiting a few days.
It is better to wait a few days before trying again (If there is sufficient time.)
Even though you make it again,duplicate payments are refunded.
If the payment fails -
1. From another terminal (security errors)
2. Another card / net banking (card not supported cases)
Pay offline - Print chellan and pay at any of the SIB Branches.