India's richest man and Reliance Industries Chairman Mukesh Ambani was actually not born in India. Ambani was born in Yemen on April 19, 1957, but the family relocated in 1958 to Bhuleshwar in Mumbai, where they lived in a 'chawl'. Mukesh Ambani now has a net worth of $41-billion and owns the world's first billion-dollar house 'Antilia'.