Nykaa.com — Return on hold refund not processed

I bought a jimmy choo sunglasses from ntkaa fashion, on receiving the order I found it to be a fake product- cheap plastic build, no brand box, no card of authentication or brand bill. I submitted multiple images of the product as they requested, l but still the return is on hold citing that they need some internal enquiry whileas there was a 7 days free return policy. Despite of not carrying any checks before dispatching the order and selling fake copies of the branded products, they are delaying my refund. This is nothing but a scam for looting customers. I want my refund asap, I cant lose my money over something that is not even worth 100 bucks.