Airtel Becomes Third-Largest Mobile Operator Globally Bharti Airtel on Tuesday said it has become the third-largest mobile operator in the world in terms of subscribers. As per the latest data published by World Cellular Information Service, Bharti Airtel, July 1, 2015 4G/IT Magazine/Magazine Advertisement india/Networking/New Feature/News/Product Launch/Social Media/Tech Hardware/Technology News/Telecom News