Zomato — not refunding my amount the reason order not completed

Address:

Gautam Buddh Nagar, Uttar Pradesh, 201305

I had placed order on zomato.com on 31 August 2018 at 10:31:36 PM.
Order ID : [protected] for a KFC product.
Total amount paid by my Credit card : 573.96. online

The order was not delivered. I contacted to customer care of zomato.com and they said my paid amount will be credited back to my card in next 7 working days.

It is going to be completed 1 month but amount is not credited back.