Zomato — online payment, order was not delivered and money is not refunded yet

Address:	New Delhi, Delhi
Website:	www.Zomato.com

I ordered from vedant's restaurant munirika, new delhi using zomato app. I made online payment amounting rs. 340/- using upi, the order has been placed and i got online payment confirmation with reference number "igaemugzn4" at 22:40 on october 06, 2018.
I complaint to zomato customer service they told i will get my money refunded within 5-7 days but i didn't receive my money. Then zomato promised me it will be refunded by october 15, 2018 but i didn't receive it yet.