Undoubtdly Reliance jio is best till date not only because it is providing free services to us also because they are planning to provide way cheaper plans compare to other telecom companies. Though there are some problem with it like call dropping and slow Internet connectivity . But keep in mind that the number of jio users are too much and everyone enjoying the services of jio to the fullest. Certainly the connectivity issue will be solved once the offer period is over. But they have to improve there problem regarding calls .