I am a jio customer right from the beginning.it is the highest growing network company in india and has sucessfully crossed millions of customers within a year of its launch.their network is keeping on developing since launch and is returning a good result for users.the best highlight of jio is their tariff offers which made a data revolution in india.their call quality is so good as it is working in volte.their customer service is awesome and their billing and tariff plans are best in the market.