Forbes has released its 'Richest Self-Made Billionaires Under 40' list, which features four Indian/Indian-origin entrepreneurs. Indian-origin Bilt Rewards CEO Ankur Jain secured the 19th spot with a net worth of $3.4 billion, followed by Zerodha Co-Founder Nikhil Kamath with a net worth of $3.3 billion. Mercor's Indian-orgin Co-Founders Surya Midha and Adarsh Hiremath both ranked 27th.