Bharti Airtel may sell the telecom towers of its African operations to Bharti Infratel to raise cash and replicate India's outsourced business model. The deal is expected to be sealed for Rs. 12,000-15,000 crores by December 2010. IBM gets a $1.5 billion contract to manage Airtel's IT services in 16 African countries for 10 years and integrate their operations. Infosys, TCS, ITC and Mahindra are among 16 Indian companies named in Forbes' 2010 list of the biggest 50 Asia-Pacific listed companies, with India and China accounting for 32 of the 50 spots. RIM has refused authorities' request to provide technology for