Bharti Airtel Limited is an Indian telecommunications company and the largest cellular service provider in India. It operates in 20 countries across Asia and Africa. Sunil Bharti Mittal founded Bharti Telecom Limited in 1986 which later became Bharti Airtel. Airtel has over 230 million subscribers worldwide, with around 170 million in India. It has a presence in all telecom circles in India and uses a segmentation strategy to target customers. Airtel faces competition from other operators but maintains its market share through innovative marketing strategies and service quality.