Zomato — food not delivered & denial of any refund

Address:	Lucknow, Uttar Pradesh, 226021
Website:	Zomato.com

I order food from zomato as attached,
When i called delivery boy he was 2 min away from my place, he rudely said your order is cancelled, contact the restaurant, restaurant's phone was not reachable as i tried 10 times, now they are saying they will not able to refund my paid amount, (Prepaid)
Please do the needful at the earliest.
This kind of attitude is not acceptable from zomato