Swiggy — I didnt receive my food which I ordered

Address:

Chennai, Tamil Nadu, 640012

I ordered food on 14.02.2019 7pm, i dint received any call or notification from delivery person about the delivery, 8clk when i checked in the order it is showing as delivered.. I checked outside no one came like that.. I checked in the order chat they said that it's been wrongly marked as delivered we will arrange to get u the food, i dint get later i asked for refund and they admitted to refund. Later 2days they are saying like food has been delivered correctly and no response further.. I need a justice for this..