Right Now I am using jio sim with free call, free net 4G and free messages.Jio sim is only supportable for 4G Smartphones like Coolpad, Sony, LYF etc.Jio is provding great services better than telecom company little bite call drops but it is ok every sim does.Airtel vodafone, Idea they are charging huge amount of money for teraffi, internet, messages etc.I am suck this.I prefer for every one use Relience Jio sim because It is Bharat's company not foreign origin compay.I am proude to be Bharatiya not Indian.