Yes, Moto Z2 Play is a metal body phone.
Yes, you can use both the Sim cards as well SD card at the same time.
It's manufactured in India and carries the brand warranty. Yes, you can make calls with the help of Jio Sim.
No. Moto Z2 Play does not have HDMI port but you can use HDMI connector.
Yes, but I liked Google Duo more for video calling on Moto Z2 Play. Try it.