Zapvi.in — Not received my order .I paid for my order on oct 2

Address:	22nd Floor Girivar Industrial Park, Saniya Hemad Village, Near Saroli, Surat-kadodara Road, Surat, Gujarat – 395006
Website:	Zapvi

I have ordered phone back covers worth 327 and had done payment online. I got a mail saying it got delivered to my address on 8th Oct. But I haven't received my order.i have been trying to contact them .I get only one email saying it's already delivered.