Wipro's Azim Premji was the distant second with a net worth of USD 19 billion, moving up two places from last year, while Sun Pharma's Dilip Shanghvi slipped from his earlier second place to the ninth now (USD 12.1 billion) on Forbes magazine's annual 'India Rich List 2017'.
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.
Patanjali Ayurved's Acharya Balkrishna, known as a close associate of yoga guru Ramdev, made a big jump from 48th place last year to 19th now with a net worth of USD 6.55 billion (about Rs 43,000 crore).
"Despite India's economic hiccups, tycoons on the 2017 Forbes India Rich List saw their wealth soar as their combined fortunes rose 26 per cent to USD 479 billion (over Rs 31 lakh crore)," the magazine said.
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The Hinduja brothers are at the third position with USD 18.4 billion while Lakshmi Mittal is now ranked fourth (USD 16.5 billion) and Pallonji Mistry fifth (USD 16 billion).
The ranking lists family fortunes, including those shared among extended families such as the Godrej and Bajaj families. Public fortunes were calculated based on stock prices and exchange rates as of September 15. Private companies were valued based on similar companies that are publicly traded.
More than four-fifths of those who kept their spot on the list from last year saw their wealth rise, with 27 listees adding USD 1 billion or more to their net worth.
Veteran investor Radhakishan Damani, boosted by the listing of his supermarket chain D-Mart in March, returned to the list at 12th place with a net worth of USD 9.3 billion. Other returnees are Future Group's Kishore Biyani (55th, USD 2.75 billion) and siblings Murli Dhar and Bimal Gyanchandani (75, USD 1.96 billion).
Pharmaceutical magnate Dilip Shanghvi is the biggest dollar loser on the list as his net worth fell by USD 4.8 billion, ending his three-year run as India's second-richest. The Gupta family (40, USD 3.45 billion), heirs of patriarch Desh Bandhu Gupta, who died in June, saw their fortune shrink as shares of their generics maker Lupin declined.
Brothers Shashi and Ravi Ruia suffered a drop as their Essar Steel faced bankruptcy proceedings under India's stricter new law, Forbes said.
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