While the fortunes of real estate tycoons across the globe plummet, Kushal Pal “KP” Singh — a billionaire who helped reshape the suburbs of India’s capital New Delhi — is bucking the trend.

The wealth of the 92-year-old businessman, whose family controls India’s largest publicly traded real estate company DLF Ltd., has increased by $5.5 billion this year, the most among the world’s real estate billionaires tracked by the Bloomberg Billionaires Index.