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 and 4G LTE mobile services, fixed line broadband and voice services depending upon the country of operation. It is the largest mobile network operator in India and the
third largest in the world with 400 million subscribers. [5][6] Airtel was named India's second most valuable brand in the first ever Brandz ranking by
Millward Brown and WPP plc . [7]
Airtel is credited with pioneering the business strategy of outsourcing all of its business operations except marketing, sales and finance and building the 'minutes factory' model of low cost and high volumes. The strategy has since been adopted by several operators. [8] Airtel's equipment is provided and maintained by Ericsson and Nokia Solutions and Networks [9] whereas IT support is provided by
IBM . [10] The transmission towers are maintained by subsidiaries and joint venture companies of Bharti including Bharti Infratel and Indus Towers in India.
