Fineline Saree — wrong material

I ordered three kurtis of 1387₹. But i got wrong saree of cheap quality. I want to return it. Plz help. My name is krishna. I ordered kurties from facebook app vienna which sells kurties in discount. Else i got parcel from finelinesaree and when i open it i got cheap quality saree. There is no contact number and the email id is also not working. Please help. I have attached photo of invoice.