Recently I bought this jio sim.It was launched by mukesh. it has many offers with less cost. campany gives free internet and free calls free sms etc. for three months. we can enjoy the 4g net and free calls. after three months the net plans are very good with less cost 4g net packs are available. its net speed is super any other networks. cant reach jio. simply super.only one problem I faced in jio that. we can make free calls to any one. but. they cant call us. this is one problem I faced after three month s the campany will solve it finally I want to say that jio sim is pretty good. and enjoy the speed of jio