Telecom tycoon Sunil Mittal's Bharti Airtel is India's largest mobile phone operator with close to 380 million customers. As of now, he has a net worth of $7.9 billion bagging him a 9th position in India’s richest men. Mittal also owns Airtel Payments Bank, a niche bank, in a joint venture with Kotak Mahindra Bank, controlled by fellow billionaire Uday Kotak.