Swiggy — my order was cancelled by swingy and refund still not refunded

Address:

2/3 Kalidas road, Dehradun, Uttarakhand, 248001

My order with swiggy no. [protected] dated 27/06/2019. Payment was done online, but the order get cancelled itself, and on inquiring costumer care informed that their was some problem and your amount will be refunded in 3-4 business days. But my amount of 651 rupee is still not refunded. I have contacted several times on the help chat provided in swiggy app, but all of them making excuse, and saying you contact with your bank. I want my money back. Please help