Domino's Pizza — order not delivered and refund not get

Address:

Tardeo. Wadiya road central mumbai

My mob. No. [protected] sir i was order a pizza (320rs) on 20 january, order no. 24. My register mobile no.in app is. Sir when i order, my location address fetch by app is wrong. And after few seconds i call customer care for cancellation of order... But my order not canceled & app show delivered.. Then i was again call cc for cancellation... But still i don't get refund (320rs) by domino's pizza... Cc not help me. When i call... They hold my call and cut