Amazon India — product not delivered but in the app it's showing delivered.

Address:	Vinayak nagar, Gachibowli, Hyderabad., 500032
Website:	Amazon

So here's my issue: i ordered few products from amazon. Which is maybelline strobing cream, neutrogena hydro boost cream, maybelline mascara and unloc serum. Which i prepaid from my card. And on wednesday it showed that it got delivered but it didn't. I never received a call from teh delivery boy nor i received my products. This is the poorest service i have ever experienced. I'm not gonna order from amazon anytime after this. I contacted their customer service they are telling me that they will investigate this. Wth what they will investigate? Why would some waste their time and energy to contact them everyday? This is the worst service a customer will ever get. They even told me to upload my id proof. Which i did. They didn't even bother. I want my products or refund. That's all.