India's largest mobile operator, Bharti Airtel, has announced plans to form an alliance with the Abu Dhabi Group, aimed at exploring possible acquisition opportunities in emerging markets, the Financial Times has reported. The Abu Dhabi Group controls $10bn in investments, including telecoms operations in Uganda and the Congo, as well as a unit in Pakistan. An alliance between the Abu Dhabi Group and Bharti will create a formidable competitor on global telecoms markets, the newspaper said.