
It is hard to believe that it is only just 20 years since the Bharti group listed its telecommunications business on the Bombay Stock Exchange, soon after that bringing its cellphone operations together under the Airtel brand. At the time, just ten years from the founding of the business by Sunil Bharti Mittal, it had yet to extend its coverage to the whole of India, let alone the whole sub-continent, though by 2009 it had launched into international operations by launching a network in Sri Lanka.