Food Panda — order cancelled no refund

Address:

Kolkata, West Bengal

Order placed and payment done successfully 3 times. But all the orders were cancelled and no refund since 10 days. Customercare service not good.
1.Order code:b6qi-ikx3
2.Order code:b4du-2xls
3.Order code:b4du-xw4q

Why only online payments are available? No cash on delivery.Worst food delivering app ever seen. Try to provide some contact number so that the authority can directly know about the problem.