The stock market rout has caused the country's five richest, led by Reliance Industries [Get Quote] chairman Mukesh Ambani, to lose more than $10 billion in just about a fortnight.

Besides Ambani, those who saw billions of dollars being wiped off include younger brother Anil, realty giant DLF's Kushal Pal Singh, Bharti group chairman Sunil Mittal and Wipro [Get Quote] chairman Azim Premji.

India's five richest individuals, based on the value of their stock holdings, have seen their cumulative wealth plummeting by $10.05 billion since July 27, the day the bourses began their slide on concerns over the US sub-prime lending market, which has since spread across the world.

Since July 27, the richest five, who account for more than one-tenth of the total wealth invested in stock market, have shared nearly one-fifth the total market capitalisation loss of $52 billion. Their combined wealth has gone down to $116.75 billion (about Rs 4,72,256 crore), from a high of $126.8 billion on July 26.