1. Mukesh Ambani
Topping the list is Mr. Mukesh Ambani - Chairman of Reliance Industries Group Ltd. Reliance is currently the second largest publicly traded company in India.
Mr. Mukesh Ambani is currently the richest person in India.
2. Azim premji
Azim premji is the Chairman of Wipro Software Group and has become the third largest software service provider in India.
In 1996, Mr. Azim premji returned home after graduating from Stanford University, USA and took over the family business of a cooking oil company after his father passed away.
However, he later switched to doing business in other fields, including IT and software. With the right decisions, Azim premji is currently the second richest person in India.
3. Lakshmi Mittal
Billionaire Lakshmi Mittal is the Chairman of ArcelorMittal Group, the world's largest steel maker.
Known as the "king" of Indian steel, billionaire Mittal is a person with a unique talent who seizes business opportunities from factories at risk of bankruptcy and takes over his own rivals.
4. Shiv Nadar
Billionaire Shiv Nadar is the co-founder of HCL Group. He was 15th in the list of richest billionaires in the high-tech sector in 2015.
Shiv Nadar's main source of revenue is from the information technology sector.
5. Kumar Birla
Kumar Birla is currently the Chairman of Aditya Birla Group - one of the most valuable corporations in India. Mr. Kumar Birla inherited the family's Imperial Palace at the age of 28 after his father passed away.
Kumar Birla's main revenue comes from telecommunications and financial services businesses. His current assets are estimated at up to 14.8 billion USD.