Jio.jio.jio.everyone is talking about this in india by coming of this sim everyone has forgotten other telecom sevices. Well its good to have a jio sim as it giving free voice and 4g data till 31st december 2016 but it can be extended for 1 more year by doing some tricks which you can watch on youtube .jio is giving us unlimited 4g data but its not true as one can only use 4 gb per day but by some easy tricks you extend it to unlimited by watching videos on youtube. Its calling facility is vey bad.lastly its good sa it is giving us free services