Four Indian-origin entrepreneurs have been recognized on Forbes' list of the world's richest self-made billionaires under 40. The list highlights a global surge in tech and AI, with 71 individuals under 40 now holding billionaire status. Ankur Jain, founder of Bilt Rewards, is ranked 19th globally with a $3.4 billion net worth. Nikhil Kamath, co-founder of India-based Zerodha, is ranked 20th with $3.3 billion, being the only India-based entrepreneur in the top 40. Two young AI entrepreneurs, Adarsh Hiremath and Surya Midha, also feature prominently.