I have jio sim since last 2 months and yes I get its network everywhere expect some villages
not all villages but some of the villages there no network.
since last 3-4 months reliance is offering every calls, messages, data packs, jio tv, jio music everything for free to all jio sim users
RELIANCE jio is doing there best for promoting there new Jio sim and its offers all the servies are being provided verygood
the best thing about this is it has an app called Myjio app by logging in
every information is available there
outgoing calls, outgoing messages, data usags and everything information is there in that app they have extended there free offer till march 2k17