1. Mukesh Ambani

• Net Worth: $21 B                                                                       
• Source of Wealth: petrochemicals
• Citizen: India
• Age: 56

Ambani runs Reliance Industries, a $50 billion market value Indian petrochemicals conglomerate. He is also the country's richest man. A few of his current projects: 4G. he is working to install the service across India  and the KG-D6 offshore gas field. Ambani also owns the world's most expensive residence.