Mukesh Ambani's Reliance buys a huge 26% stake in Gautam Adani's company, its business is..

Announcing the deal in March, Reliance said that it would buy a 26 percent stake in Mahan Energen and the deal has now been completed. Mahan Energen, established in 2005, has a thermal plant in the Singrauli district of Madhya Pradesh.