The combined wealth of India's 100 richest people is down 20 per cent from a year ago to $241 billion.
The 100 richest Indians have a combined wealth of $300 billion, an all-time high and more than the combined GDPs of all the other nations in South Asia put together.
Ambani is also the year's biggest gainer, adding USD 9.3 billion to his wealth amid the continuing success of his Reliance Jio broadband telco service.
Though the total wealth of India's 100 richest people grew by a modest 3 per cent from the year ago period to $259 billion, the elite group of entrepreneurs have beaten the BSE market cap's growth over the last five years, as per the latest Forbes India Rich List.
The total wealth of India's top five billionaires, which stands at a whopping $83.7 billion, is more than the cost of 1,230 Mars Orbiter 'Mangalyaan' Missions and is more than 18 times the cost of hosting the 2016 Rio Olympics
Top 100 billionaires see their wealth rise 10%; top 20 account for half of total wealth of top 100.
The company was looking to raise around Rs 1,800 crore for a stake sale of 10 per cent.
Forbes said Prime Minister Narendra Modi's "economic experiments" barely affected India's billionaires while none gained more than oil-and-gas tycoon Mukesh Ambani, who cemented his decade-long hold on the top slot by adding a staggering USD 15.3 billion (67 per cent) to his last year's wealth to become one of Asia's top five richest.
Few top honchos of India Inc did very well in 2014.