Reliance Jio is a network venture of reliance industries by Mr. Mukesh Ambani. It is a mumbai based telecommunications company and it is a true 4G based network and the speeds are hovering between 4Mbps to 35 Mbps and it is a true LTE network. Jio is now giving the preview offer to their customers at free of cost and they are charging not a single penny .And speeds are also good but the best network access speeds you can get at metropolitan cities in India. So grab the offer now. It is a awesome deal from Reliance