My cousin ani, live in bankura is a regular user of jio of this mobile number 8617* 226 some days ago he allows to use me his jio sim with jio unlimited pack then I am very happy but when I use the sim there is a great problem that is there was no network I live in west bengal, keshiary there was a quit conection in our college ground so when I have use data I should go to the college ground in our area there was not a proper connection of internet and no network available.so in our area nobody use jio network but at the same time where proper tower available of jio they always should used the jio network.