6. Anil Ambani
With a net worth of $ 13.3 billion, Anil Ambani, chairman of Reliance Anil Dhirubhai Ambani Group and younger brother of Mukesh Ambani, ranks No. 6 on the Forbes India rich list. The Anil Dhirubhai Ambani Group is among India's top three private sector business houses with a market capitalisation of $ 81 billion.