Domino's Pizza — order undelivered and prepaid amount not refund till date

Order details #4349782 dated 24.10.18 order no. 79 amount rs. 320 prepaid by sbi debit card order not delivered and prepaid amount not refund till date my contact no.[protected] name saurabh dey. Please resolve the problem and refund the amount as early as possible. Domino's officials assure me to refund the money within seven working days from 24/10/2018 but till date they not refund the amount and harassed me unnecessarily to discharge their fault and negligence. Please take necessary action