Airtel one of the famous and reliable telicome company in the whole world. In india the user of airtel are may . I am the consistent user of airtel form the beginning.
I love the airtel service and it’s network . Personally I don’t found any other operter network strong than the airtel network . I have been using airtel sim cars since 10 years.
And I got grate performance as well speed of data.
Thank you for reading my opinion.