i have been given wrong product and no response on compalining

Location/place: gurgaon,haryana

Name of company/service: fashionandyou.com

i had ordered sunglasses worth 4000rs from fashionandyou.com they gave me wrong model and after complaining they want a proof frm my side tht how can it be wrong model and even after mailing them the pics they are not responding…its been over a month now