Airtel mobile operator is the best network provider of india and I am using its service foe 5 years there is no network problem and its service is very good. it gives a lot of offers comparison to others no balance cut problem I ever felt if we talk about its data plan now it has been more cheaper and also provide good internet speed anywhere either u use 2g or 3g or 4g its speed u can comparison with other service provider u will always find that it is best inter net provider network its tariff is also cheap even 8 rupees tariff gives 28 days validity 30 paisa per minute all local calls and if I tell u its data it is every affordable 3g recharge is also cheap 97 rupees it gives 2gb 2g for 28 days with very good speed .