Myntra.com — I got wrong product and I am not getting my refund

I ordered a u s polo shirt whose order id is 205811 [protected] amd registered mobile number is [protected] and when i opened the package what i saw was wring product ... I saw a blue check shirt of totally different brand and design .. i complaint about it to Myntra . They made 6 pickup but every time my pick up is failed because pick up agent refused to accept despite having approval from myntra .. plz help me with refund . I cannot afford this loss