Correct Option: B

On 13 April 2009, via a formal public auction process, a 46% stake in Satyam was purchased by Mahindra & Mahindra owned company Tech Mahindra, as part of its diversification strategy. Effective July 2009, Satyam rebranded its services under the new Mahindra management as “Mahindra Satyam” with a new corporate website www.MahindraSatyam.com.