Claim: Mukesh Ambani has a brother.

Anil Dhirubhai Ambani is an Indian business magnate . He is the chairman of Reliance Group -LRB- also referred to Reliance ADA Group -RRB- which came into existence in June 2005 following a demerger from Reliance Industries Limited . He leads a large number of stock listed corporations including Reliance Capital , Reliance Infrastructure , Reliance Power and Reliance Communications . Ambani 's net worth was $ 3.3 billion according to the Forbes billionaire list in the year of 2016 .   His major business interests in entertainment includes 44 FM radio stations , nationwide DTH business , animation studios , and several multiplex cinemas throughout India .  He is married to former Bollywood actress , Tina Munim and has two sons Anmol and Anshul .   After the death of his father in 2002 , Anil Ambani took over the reins of Reliance Group with interests in Telecom , Entertainment , Financial Services , Power and Infrastructure .   In 2008 , Ambani is also credited with India 's largest IPO of Reliance Power which was subscribed in less than 60-second on offer , fastest in the history of Indian capital markets till date .   Ambani made his debut into the entertainment industry with an acquisition of a majority stake in Adlabs Films in 2005 , a company with interests in film processing , production , exhibition and digital cinema , the company was later renamed to Reliance MediaWorks in 2009 .   In 2008 a joint venture worth US$ 1.2 billion with Steven Spielberg 's production company DreamWorks cast Ambani 's entertainment business on to a global platform . Through this link he has contributed to the production of a number of films with Steven Spielberg , including the Academy Award winning film Lincoln in 2012 .