Amazon India — order for 2 mobile phones but delivered only 1

Address:

BILARA, Jodhpur, Rajasthan, 342602

I order for 2 mobiles 1 was mi a3 and 2 was redmi 7a but i recieved only 1 mobile phone mi a3 in packet. Redmi 7a is, missing in shipment not received after contacting amazon no help from them. They said that why i complaint on social media so we are not help you further social media team will help you what a foolish please help me amazon. On 30 sept i ordered 2 mobile phones 1 is mi a3 and 2 is redmi 7a. But on 3 oct i received only 1 handset mi a3 in packet. When i tracking shipment it's shows both mobile please help me amazon. On 30 sept i ordered 2 mobile phones 1 is mi a3 and 2 is redmi 7a. But on 3 oct i received only 1 handset mi a3 in packet. When i tracking shipment it's shows both mobile phone in 1 parcel it's showing both phones are delivered but i received 1.
Details of order is
Date of order 30/09/2019
Order id is[protected]
Amount 16198 inr
Tracking id[protected] in 1 parcel it's showing both phones are delivered but i received 1.
Details of order is
Date of order 30/09/2019
Order id is[protected]
Amount 16198 inr
Tracking id[protected]

On 9 oct reply from amazon customer care that the concern team will call me in 6 hours but after 24 hours no response from them
When i call customer care on 10 oct they tell me why you post on social media so now we cannot help you further so please contact higher authority we are unable to surve you
I dont know what to do and who will help me i am thinking that its my fault / mistake to shop on amazon