Myntra.com — Wrong product delivered and not accepting return

I placed an order on myntra for zapatoz grey sandles 03 feb . Order no[protected]-3052503
I received totally different product from there . Which is a black and grey sandle. After puting it on return on 7 feb (received on 7 feb) . When delivery agent came to receive it he denied that he won't be able to take it back and put it on hold .i have contacted myntra help support but they didn't provide any vaild support . I need this product to get return . And refund .