Amazon India — product not delivered, fraud delivery

Fraud delivery service

I ordered samsung phone few days back.
On website it showed delivered but i didn't get it.
I called up customer care guys to which they opened an investigation. But after few days they simply closed the investigation
Without feeling the need to mention this to me. I called up again and they said that they can't do anything on this. They are not even mentioning what investigation they did.
I can only figure out that anyone can do the signature on your behalf and take your item. At least show me where have i signed. You guys are
Delivering the item on fake signature. Your delivery guys can sign on anybody's behalf and take the item. Your policy is so lenient for them.
If you really care for your customer please investigate it properly. My oder number is:
Order #
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