Four days after mobile network services were rolled out on Mumbai Metro's Aqua Line, some commuters using Vodafone Idea and Airtel say they continue to face call drops and mobile data disruptions

Bharti Airtel has received shareholder approval to increase its stake in Airtel Africa from 62.73 per cent to around 79 per cent through a Rs 28,220 crore share-swap deal, strengthening its presence in the high-growth African market