Hi my name is rajeev . I tell u idea network feature. I am using this network myself and sharing my experiance with you. I had very good experiance from idea mobile oprator . idea network is best network in india. and the costmor service of idea is very good. and best feature are the billing and charge of idea network is very good. the call rate of idea is very low and idea internet speed is very good to other. overall idea sim is the good network . and very useful the user. . thanks