Airtel is one of the leading mobile network companies in India not only in India but it also provide its services to other countries too like South Africa.The main thing which makes Airtel different from other operators is that it makes its network to cover all areas including rural and urban one’s.Its the one network which you can get in somewhere where u can’t find another one.Airtel keeps their user happy by opening different offers time to time.It is currently mostly upgrading all of its 2G tower to 3G/4G capability.Its 3G and 4G services are very fast nothing can beat Airtel’s 4G as u have seen in advertisements.It should be the every mobile user’s first priority.Give it a try it’s customer care services are also very good.