The brothers benefited from a spate of new launches at pharma arm Jubilant Life Sciences, shares of which have more than doubled since October 2013. Their Jubilant FoodWorks, which has the Domino's Pizza franchise and accounts for close to two-thirds of their fortune, was hit by a slowdown in consumer spending. Unfazed, they plan to open 150 more stores this year.
Fast Fact: Both their wives are media baronesses. Shyam's wife, Shobhana, is chairperson of the listed HT Media. Hari's wife, Kavita, publishes the Indian editions of Elle and Elle Decor magazines.