To raise a complaint with your bank:

1. You'll need the 12-digit payment reference number or ARN number for this payment, which you will find listed against this payment in your bank or card account statement.

2. Call your bank's customer support team and share this payment reference number with them to raise a complaint. Tap here to find your bank's customer support number

3. You card-issuing bank will help you track your payment and get a status on your refund.