Yes jio is providing unlimited 4G internet data and free voice calls, free sms for 3 months and extend it to 1 January 2017 to 31 March 2017 as new year offer it is it giving fantastic experience to 5 million users but at present time it’s 4G speed is decreased less at limited point 1Gb for one day and much traffic’s in networks make it network post and disorient the users who has trusted on it.
And it coverage is good but not best.