Mr. Mittal, the founder, said he wants to more than double the company's Africa business in the next 2 1/2 years, to 100 million subscribers.
Hello, Africa, India's calling →
"This is the last growth continent in the world. Europe is a done industry. The U.S. is a done industry. Southeast Asia is old," said Sunil Mittal, founder and chairman of Bharti Airtel.