Yes, Jio Phone 2 comes with JioTV app. You can watch 400+ TV channels live.
No. Jio Phone 2 does not have the auto call recording.
No. You cannot use the 3G network on Jio Phone 2. You can use the 4G network and 2G network.
Jio Phone 2 does have the 4GB internal memory. Practically, it has unlimited contact book.
Yes, Jio Phone 2 does support the Bengali language.