Airtel network is very good but it’s call rate is very high.Airtel provide best in india.Airtel provide you best sound quality call.Airtel 4g provide you better quality if network and its offers is also good.Airtel Best Offers check call 12131 and provide you best offer for data, calls, tarrif, roaming etc.Airtel gives u better service.If you port own others sim in airtel.Airtel gives you 25paise call rate STD/LOCAL calls.50MBfree data.90rs.free with unlimited validity.So, airtel gives you better service and better internet network.