1. Mukesh Ambani, net worth: $29bn Chairman of Reliance Industries. The richest man in India and 4th richest man in the world. Source: Rediff Business
2. Lakshmi N Mittal, net worth: $28.7bn Owner of ArcelorMittal, who also has a stake in the British football team QPR. Source: Rediff Business
3. Azim Premji, net worth: $17bn Owner of software company Wipro. Source: Rediff Business
4. Anil Ambani, net worth: $13.7bn The brother of number one richest Mukesh. The pair are involved in a legal battle. Anil is the 36th richest man in the world. Source: Rediff Business
5. Shashi and Ravi Ruia, net worth: $13bn Owners (Centre: Dayanidhi Maran) of the energy firm Essar. Source: Rediff Business
6. Savitri Jindal, net worth: $12.2bn Non-executive chair of the steel and power conglomerate O P Jindal Group. Savitri Jindal is also the mother of India Member of Parliament and industrialist Naveen Jindal (pictured) Source: Rediff Business
7. Kushal Pal Singh, net worth: $9bn The chairman of DLF (right) is the 7th richest Indian and ranks 74th in the world. Source: Rediff Business
8. Kumar Mangalam Birla, net worth: $7.9bn Head of commodities conglomerate Aditya Birla Group. Source: Rediff Business
9. Sunil Mittal, net worth: $7.8bn Chairman of Indian telecom giant Bharti Airtel and 9th richest Indian. Source: Rediff Business
10. Anil Agarwal, net worth: $6.4bn Founder-director and executive chairman of the UK-based Vedanta Resources corporation. Source: Rediff Business
2. Lakshmi N Mittal, net worth: $28.7bn Owner of ArcelorMittal, who also has a stake in the British football team QPR. Source: Rediff Business
3. Azim Premji, net worth: $17bn Owner of software company Wipro. Source: Rediff Business
4. Anil Ambani, net worth: $13.7bn The brother of number one richest Mukesh. The pair are involved in a legal battle. Anil is the 36th richest man in the world. Source: Rediff Business
5. Shashi and Ravi Ruia, net worth: $13bn Owners (Centre: Dayanidhi Maran) of the energy firm Essar. Source: Rediff Business
6. Savitri Jindal, net worth: $12.2bn Non-executive chair of the steel and power conglomerate O P Jindal Group. Savitri Jindal is also the mother of India Member of Parliament and industrialist Naveen Jindal (pictured) Source: Rediff Business
7. Kushal Pal Singh, net worth: $9bn The chairman of DLF (right) is the 7th richest Indian and ranks 74th in the world. Source: Rediff Business
8. Kumar Mangalam Birla, net worth: $7.9bn Head of commodities conglomerate Aditya Birla Group. Source: Rediff Business
9. Sunil Mittal, net worth: $7.8bn Chairman of Indian telecom giant Bharti Airtel and 9th richest Indian. Source: Rediff Business
10. Anil Agarwal, net worth: $6.4bn Founder-director and executive chairman of the UK-based Vedanta Resources corporation. Source: Rediff Business