Amazon India — Ordered package from amazon delivered with empty box contains no item

Address:	712303
Website:	www.amazon.in

I placed a sony mdr-zx110a stereo on-ear headphone (White) order on 26th october 2016 through amazon. Order no #[protected]. The item was supposed to be delivered through india post with tracking no aw[protected]in. I received the item today 3rd november from india post. But when i open the package, it was totally empty.
Now i am cheated by amazon india or by india post courier service. Please help me to get back my item. I am attaching the order invoice and the delivery packet adress picture.