Amazon India — Received Empty mobile box

I ordered samsung galaxy phone from amamzon but i received empty box, i open my parcel in fron of deliveryu boy, then i contact consumer care they said they will investigate and resolve this in 3-4 days.

after 4 days they said that ki hamre pass status update dikh rha h apko phone mil gya. they don't ask for any audio any video nothing and now they are clearly said apko jo legal action lena h lee li jiye, hum kuch nhi karsakte
jabki delivery boy se kuch pucha hi nhi gya h and amazon wale kh rhe h humne investigation kar lia hain

they neither providing my parcel related investigation detail nor my tracking details so that i can track ki mera phone kis courier pe jakr gayab hua h

its really very shameful and awful for such big company doing these things its our hard core money