Myntra.com — I have an issue regarding returning the product

I ordered a product and then the product didn't fit on me it too small and the quality is not as expected when I try to return it the pickup man says that it is used but is in brand new condition and well packed it says that the fabric of inner part of pocket is not good but I gave them as i received I told them that's not my problem I also didn't get proper answer from customer care executives Myntra is a scam i didn't prefer anyone to buy anything from it please solve my request as soon as possible