No. Micromax Bharat 4 does not have the hybrid sim slots. It has 2 dedicated sim slots and 1 dedicated MicroSD card slot.
Yes, Micromax Bharat 4 does have the OTG support.
Yes, Micromax Bharat 4 is a VoLTE mobile phone.
Micromax Bharat 4 comes with Android Nougat 7.0 OS.
Yes, you can use the Jio sim card in Micromax Bharat 4.
Good Phone
East or west, Micromax is the best.