Do not worry! If transaction has failed or is unsuccessful or timed out, the disputed amount will be auto refunded to the origin account within 2- 3 working days. If amount is not refunded, please report it to fastag.support@kotak.com enclosing the information: Mobile Number Recharge Amount Date of Transaction Bank Name Account Number Transaction Reference Number (UTR, RRN, UPI Txn Ref no.) Mode Of Transaction (Customer Portal – CC/DC/UPI/NB, Phone pay, Gpay). OR You can register the complaint by visiting Kotak FASTag Portal Click On Complaint >> New complaint >> General Complaint >> Complaint >> Amount is Debited but recharge has not happened. Mention the above transaction details in the complaint description.