Bharti-Zain deal: In the largest ever telecom takeover by an Indian firm, Bharti Airtel on March 30, 2010 signed a deal with Kuwait-based Zain Telecom to buy its African business for about Rs 48,000 crore. The takeover made Bharti Airtel the fifth largest telecom company in the world. As a part of the deal, all the 15 nation in Africa that have Zain operations will now came under the umbrella of Bharti Airtel.After this, the total subscriber base of Bharti has become 180 million and its operations are spread over 18 countries including India.