Amazon India — product not received and marked as delivered

I have Order the product from Amazon on 31st March with fastest one day delivery option with extra Rs 99 /-, I havn't received product on April 1st and I have contacted delivery agent multiple time and has No response from him, Then I have contact customer support then informed me that I need to wait till 10 PM to get my delivery as delivery agent ne near my location.
I haven't received my product and again I have contacted customer support then they have rescheduled my delivery to next day morning hours .
Next day April 2nd I have waited till 10PM and I haven't received the product. I have reached Delivery agent on phone he has answered and cut me off in middle and later he was not answering my call. I have reached out to customer support again and they told that I will receive the product for sure by 4th April, While I am on call with customer support I have received notification that product is delivered and handed to resident.
I haven't received product and any update from customer support .
I have reached out to customer support multiple times and they are not giving any relevant information .

Order Details :
Order #[protected]
Order date : 31-March-2024.