Airtel network is a indian mobile network. airtel is one of the best network in india. airtel calling services, web services, on many more services is too good. airtel 3G internet service is very fast as campared to 2G. But airtel 4G new launched in past few years. 4G internet speed is owsome and outstanding. not only browsing speed but also calling, roming, internet, Sms, Mms, downloding speed is very good. 3 Hours movie downloading in only 4 to 5 minutes. Its true. and other services is also good. and payment option is very cheap as compared to 3G. No data wastage, No balance wastage.its very fexiable for uses. I thing is the best choices.