The charges for jio is extremely low than other operators recently jio is giving unlimited voice calling local and std and also unlimited net with boundation of 1 gb max per day for 3 months in just 303 INR.
Customer service is also very good in jio .It has myjioapp for any querry or information regards any offer or to get information of account.
But there is only 1 big problem with jio it has bad network facility and also a low speed day.Due to this many users getting boored.This imperfection leds to to decrease of jio users.