Adani Group Chairman Gautam Adani, with a wealth of $92.6 billion, has replaced Reliance Industries Chairman Mukesh Ambani ($90.8 billion) as India's richest person, as per Bloomberg Billionaires Index. They're followed by Lakshmi Mittal ($36.9 billion), Shiv Nadar ($33.5 billion), Shapoor Mistry & family ($33.2 billion), Savitri Jindal ($32.7 billion) and Sunil Mittal & family ($25.1 billion).