Top 10 Richest Persons Of India

1. Mukesh Ambani

Net Worth: $18.9 Billion
Source Of Wealth: Petrochemical, Oil and Gas.
         Mukesh Dhriubhai Ambani is an Indian bussiness magnet who is chairman, managing director and largest share holder of Reliance Industries Limited(RIL). He retains its title as India's Richest Person for close to a decaded despite shares of his oil and gas giant Reliance Industries taking a hit due to lower oil price.

2. Dilip Shanghvi

Net Worth: $18 Billion
Source Of Wealth: Pharmaceuticals.
Dilip Shanghvi is an Indian business man and one of the richest person in India. He is the founder and managing director of Sun Pharmaceuticals.

3. Azim Premji

Net Worth: $15.9 Billion
Source Of Wealth: Software Services.

Azim Hashim Premji (born 24 July 1945) is an Indian business tycoon, investor and philanthropist, who is the chairman of Wipro Limited, informally known as the Czar of the Indian IT industry. He responsible for guiding wipro through four decades of diversification and growth to finally emerge as one of the global leaders in the Software Industry.

4. Hinduja Family

Net Worth: $14.8 Billion
Source Of Wealth: Diversified.
Srichand P. Hinduja (born 28 November 1935) is an Indian-born British business magnate, investor, and philanthropist. He is considered one of the most successful Asians of the 20th century. He is the primary shareholder and chairman of Hinduja Group of Companies.

5. Pallongi Mistry

Net Worth: $14.7 Billion
Source Of Wealth: Construction.

Pallinji Shapoorji Mistry (born 1929) is an Irish Indian construction tycoon and chairman of Shapoorji Pallonji Group. He is the single largest shareholder in India's largest private conglomerate Tata Group. He is also the former Chairman of Associated Cement Companies.