Patanjali Ayurveda's Acharya Balkrishna, a close associate of yoga guru Ramdev, has made a big jump from 45th place last year to 19th this year, with a net worth of $6.55 billion (around Rs. 43,000 crore), in the Forbes magazine's Annual India Rich List 2017.
Wipro's Azim Premji held the second position with a net worth of $19 billion, moving up two places from last year.
Sun Pharma's Dilip Shanghvi moved down from his earlier second place to the ninth.
The Hinduja brothers are at the third position with $18.4 billion, while Lakshmi Mittal is now ranked fourth ($16.5 billion) and Pallonji Mistry fifth ($16 billion).
Anil Ambani, Mukesh's younger brother, was ranked much lower at the 45th place with $3.15 billion.
Forbes said the list was compiled using shareholding and financial information secured from the families and individuals, stock exchanges, analysts and regulatory agencies.
The 100 wealthiest on this year's list are all billionaires.