In 1911, Osman Ali Khan succeeded his father as the Nizam of Hyderabad and held the position for close to 40 years. Osman Ali Khan s net worth, after accounting for inflation, was reported to be above Rs 17.47 lakh crore ($230 billion). Khan s net worth is almost equal to Elon Musk s, who is now the richest person in the world with $286 billion.