Reliance Industries Chairman Mukesh Ambani and Adani Group Chairman Gautam Adani are now richer than Facebook's Mark Zuckerberg, as per Forbes' real-time billionaires list. Zuckerberg's wealth fell by $29.7 billion to $84.8 billion as Facebook's parent company Meta's shares crashed 26% after a weak revenue forecast. Adani's fortune stood at $90.1 billion, while Ambani's fortune is $90 billion.