their father Dhirubhai Ambani Consumed by in fighting from the start the Ambanis split their assets into separate companies in 2006 after a truce was negotiated by their mother Kokilaben Mukesh left and Anil Ambani pictured with their late father Dhirubhai According to Forbes Mukesh Ambani is worth US$43 billion Anil is not far behind with US$42 billion and was last