Industrialist Mukesh Ambani has been named India's richest man in Forbes list for ninth year in a row with a net worth of $18.9 billion. There is a new entry in the Forbes rich list. E-commerce giant Flipkart's founders made their debut. Ambani was followed by Sun Pharma's Dilip Shanghvi as the second richest with a net worth of $18 billion, while Wipro's Azim Premji retained his third place with $15.9 billion. Click to know the top ten in the list.