Yes, iTel S41 is a VoLTE supported phone. You can enjoy Jio video calling easily.
Yes, It does have.
No. iTel S41 does not have a hybrid sim slot. It has 1 dedicated slot for MicroSD card and 2 dedicated sim card slots.
Yes, iTel S41 does have the fingerprint sensor.
No. iTel S41 does not gorilla glass but it's display is scratch resistant.