I was a postpaid customer of Airtel but after a some Changes in there Postpaid teriff plans I am decided to Port to Another Cellur Provider.I would like to share my Experience about Airtel.The Network is pretty Good and the best part of Airtel is there Network Range.Voice calling is OK you Can be Satisfied about It.Airtel Launch 4g First in India amd they have set a new Benchmark In Indian Cellur Network Providing Field.Customer Care Service is also Satisfied they were always there for Customers Help.My Issue is there are several unneccessary Hidden Conditions That Forced you to Change it .If they sort out these issue then I would Come back.