1 Mukesh Ambani
$32 billion-Sector:Oil and gas,Petrol e.t.c.,Reliance Industries, India's most valuable company.
2 Lakshmi Mittal
$30 billion-Steel Plant Industries in Brazil, India and the Middle East.
3 Anil Ambani
$17.5 billion-Reliance Anil Dhirubhai Ambani Group, with interests in telecom, power, infrastructure, financial services and entertainment.
4 Azim Premji
$14.9 billion-Country's third-largest software exporter-Wipro
5 Shashi & Ravi Ruia
$13.6 billion- Essar Group has weathered downturn and embarked on an expansion drive in all its businesses including steel, oil and power.
6 Kushal Pal Singh
$13.5 billion-Chairman of DLF, India's most valuable property company
7 Savitri Jindal
$12 billion-Non-executive chair of the O.P. Jindal Group, a steel and power conglomerate
8 Sunil Mittal
$8.2 billion-Bharti Airtel, India's largest mobile phone operator with 110 million customers
9 Kumar Birla
$7.8 billion- Aditya Birla Group - cement business, Grasim Industries. India's biggest cement company and the world's tenth largest.
10 Gautam Adani
$6.4 billion- Adani Group, which he founded in 1988 as a commodities trading outfit. Expanded into energy, infrastructure
