JIO take a grand entry as a mobile service provide, there is a big change in telecom sector before and after JIO. Before jio you have to pay 10 times for internet which jio provide totally free for 6 years some people say that this is their business strategy for increasing costumers but at the last real fact is at the last it benefit to the costumers. Calling have some issue in starting but now its improving and with volte enabled phones its quite nice. Internet speed is now improving. As per cost it is far better than other operators. At the end the money which we spend for 1 month calling for same amount we are getting 3 months data, free calling and free messages.