With Bharti finalizing a mega $10.7-billion deal to buy out African operations of Kuwaiti firm Zain, the investors are an elated lot. The take over of Zain by the Indian telecom major would mean that its profitability would rise on a long-term basis.

Bharti Airtel, India's largest telecom operator, posted its lowest profit growth in 2009, in nearly six years.

Bharti Airtel’s net profit, total revenues down on quarter-on-quarter basis