Swiggy — cheating by swiggy in favour of refund my money

Address:

sco no. 140, sodhi super market, huda market sec 46, gurugram, Gurgaon, Haryana, 122001

Order #[protected] was canceled by swiggy due to unavailability of food, after 70 minutes of order, aprox 10:40 pm. And offer 100 rupee coupon for next order, its applicable only cod,
But swiggy blocked cod option from my account, & there is no any valid contact no provided by swiggy.
And other numbers are valid with new orders only.
On help section there is no response of executives & they close chat by self.
Regarding this i chat with executives named:
Mr. Rahul
Mr. Surender
Mrs. Jaji
Mr. Sunny &
Mr. Sudheer