Reliance jio telecommunication is very useful and reliance jio network coverage all most area and jio network strong network topology. jio customer service nothing because no problem in jio network telecommunication. jio internet speed is very high other than network. reliance joi no charge till 31/03/2017. jio is first 4g telecommunication. jio taking and net plan low other than network. jio network is revolation 2016-17