Amazon India — Product Missing from packet

I ordered a Powerbank of Redmi from Amazon.I received the order on 7th of November but when I opened the box it was empty from inside and there was pieces of paper and some other waste things.Firstly I received that on 7th of November but in application it's updated on 10th of November.I made a complaint on its official call number, they said wait 5 days our backend team looks fow what happened.after 5 day I contacted them then they said we have delivered your product to you securely and they disconnected my call.I tried saveral time but they cut my call rudely.Please help me.
Product Name :- Redmi 20000mah powerbank
Price ₹1399.00
Order I'd:[protected]
Order Date:-05/11/2021