Swiggy — Refused to deliver and refund for missing items in my order

I have order below items for which I have paid total amount of Rs. 472.
From the total items, I have received only Manchurian. When I asked delivery boy he claim that only 1 item he received from the restaurant.

When I file a complaint to swiggy support. They refused to deliver the missing item and refund of them.

Please find attached proof of the complaint details.