Domino's Pizza — failed online transaction. Amount not refunded.

Address:

Thane, Maharashtra

I ordered a pizza online on 21 March.But due to some technical reasons this transaction failed. I received a mail from dominoes same day. Mail-- Hi, Oops! We were unable to place your order to the kitchen due to some technical reason. If you chose not to try again, or we are not able to place it in the next attempt, your payment will be refunded to your account/card within 7 working days. We sincerely regret the inconvenience. Your transaction number is nb-bea21437 dated[protected] amounted 783. However in case your order was successfully placed in subsequent attempt, then please ignore this notification mail. Its More than 10 days and still I have not refunded. I am expecting a prompt resolution of the complaint.