Reliance Industries Chairman Mr. Mukesh Ambani has overtaken Google co-founder Larry Page to become the world's sixth-richest person, according to the Bloomberg Billionaires Index. The 63-year-old is worth $72.4 billion after adding nearly $2.2 billion to his wealth. Shares of Reliance surged 120% since a low in March as it's digital unit Jio Platforms got $16 billion in investments.