flipkart is not returning my money

I was purchased a wireless keyboard and mouse from the flipkart however they were delivered defective produced so I was return the product but my product is out of stock and flipkart costumer care cancel my order but they didn’t bring my money back.
I was send so many emails for my money and called them but no result.
I am really very disappointed.
Please look at my matter.
My order number is :- OD40417050588

if you need emails copy I will provide.

Thanks, Mashkoor Khan