Bharti Airtel Limited is an Indian global telecommunications services company based in New Delhi, India. It operates in 18 countries across South Asia and Africa. Airtel provides GSM, 3G & 4G LTE mobile services, fixed line broadband & voice services depending upon the country of operation. It is the largest mobile network operator in India and the 3rd largest in the world with 400 million subscribers. Airtel was named India's 2nd most valuable brand in the first ever Brandz ranking by Millward.