Mumbai has more billionaires than Beijing, Hong Kong, Shanghai

India's billionaire population has surged by about 100 individuals over the past year, with Mumbai emerging as one of the top three cities globally for billionaires. Mumbai's wealth soared by 47%, surpassing Beijing as Asia's billionaire hub. Reliance Industries' Mukesh Ambani remains Asia's wealthiest, while Gautam Adani's wealth surged by 62%.