New Delhi: Gautam Adani has overtaken Mukesh Ambani to become Asia's richest person, according to the latest data from the Bloomberg Billionaires Index. As per the rankings released on Friday, Gautam Adani, Founder and Chairman of the Adani Group, now ranks 19th globally with a net worth of USD 92.6 billion. In comparison, Mukesh Ambani, Chairman of Reliance Industries, stands at the 20th position with a net worth of USD 90.8 billion