Adani Group Chairman Gautam Adani surpassed Reliance Industries Chairman Mukesh Ambani to become Asia's richest person after his net worth reached $88.5 billion on Monday, according to the Bloomberg Billionaires Index. Mukesh Ambani's net worth stands at $87.9 billion, as per the Bloomberg Billionaires Index. Adani is the world's biggest wealth-gainer of 2022 so far.