https://www.foodpanda.in/

1.Go to foodpanda.
2.register a new account
3.Order worth Rs. 300 from a restaurant that accepts online ordering.
4.Use coupon FPAR and get 160 discount.

https://www.payumoney.com/
5.Now go to online ordering and click on Payumoney 
6.Register a new payumoney account and use coupon PAYUMONEY50.
7.Pay using credit card/net banking.
 You can also place multiple orders by using different mail id's and phone no.