8. Ravi & Shashi Ruia

• Net Worth: $7 B                                                                       
• Source of Wealth: diversified
• Citizen: India
• Age: 46

Both are brothers and founder of Essar Group. In the initial days, Essar Group was mainly a construction company. Later on, it diversified into steel and oil refining. Shashi Ruia is the Chairman while his brother is the Vice-Chairman of Essar Group.