A chargeback is a request raised by you asking the institution to refund your money due to a variety of reasons including duplicate payment, payment made in error, suspicion of fraud, etc.
If the amount is debited from your bank please wait for some time. It may take anywhere upto 24 hours for reconciliation between the payment gateway and your Bank. You will get a receipt if the [...]
Currently, there are no limits. However, the payment service provider could set a limit/cap based on inputs and guidelines of banks/regulators at a later date.
A payment transaction could fail due to a variety of reasons. These include wrong credentials, wrong password, invalid card/account, insufficient funds, block/hold on the account by the bank, [...]