Mumbai, Nov. 3 -- Bharti Airtel Ltd on Monday reported strong growth in its September quarter earnings, driven by a surge in mobile data consumption and an expanding subscriber base.

Net profit at India's second-largest telecom operator jumped 89% from a year earlier to Rs.6,792 crore. On a sequential basis, Airtel's net profit rose 14.19% from Rs.5,948 crore in the preceding quarter.

Airtel's consolidated Q2 revenue of Rs.52,145 crore was up 25.7% from the previous year and 5.4% from the preceding quarter. Revenue was driven by an increase in its mobile services business, with a focus on premium services and growth in Airtel Africa.

"Our India revenue, including passive infrastructure services, increased by 2.9%. Africa delivered anot...