India has 100 billionaires led by Reliance Industries Chairman Mukesh Ambani with a net worth of $26 billion, according to Hurun Global Rich List. Hinduja Group's SP Hinduja and family, and Sun Pharma's Dilip Shanghvi are country's second and third most richest people respectively. Lakshmi N Mittal, Shiv Nadar and Azim Premji are also among India's top 10 richest people.