The billionaire faced trouble in real estate, and Piramal Enterprises' exposure to the sector caused its shares to drop as much as 20 percent this year. That decline dragged Piramal's own net worth down 41 percent to $2.95 billion, and pulled his rank down to No. 45 on the Forbes India Rich List, from No. 24 last year
(This story appears in the 25 October, 2019 issue of Forbes India. To visit our Archives, click here.)