Yes, since Micromax Canvas 1 runs on the latest Android 7.0 OS - there is multi windows support.
Yes, Micromax Canvas 1 is a dual sim mobile phone.
Yes, you can use your Jio sim with Micromax Canvas 1.
Yes, Micromax Canvas 1 comes with a dedicated memory card and you can expand phone memory by another 32GB with the help of the MicroSD card.
Micromax Canvas 1 comes with 2500 mAh Li Polymer battery which offers talk time of up to 7 hours and almost 180 hours of standby period.