Domino's Pizza — Payment not received

Address:

560043

I ordered Dominos Pizza with Ramamurthy nagar branch, Bangalore on 10-Mar-2017 through zomato app.
Note : I have attached screen shot of the order

While ordering I paid Rs.819 through online. They accepted my order. After 20 mins they denied that my home is out of their Delivery zone.When I called customer care, they told me that my payment will be refunded within 7 days maximum.
Already 5 days passed from my order date .So far no representative from Dominos called me for getting the account details regarding refund.

I am worried about the refund.

Please help me on this to get refund amount ASAP.

Thanks,
R.Prabu
Mob : [protected]