Zipker Online Services — return compliant

Address:

Vellore, Tamil Nadu, 632014

I already created tickets for return before four days but not even a response from zipker side so how can I return these product .They are telling return within 7 days how can return without any response from their side.I already contacted FedEx because they only delivered the product they are telling that after getting confirmation from zipker only they are supposed to do anything.The product quality is too bad. The product is entirely different from the picture they given in their site.Down I attached order details