Reliance Industries Chairman Mukesh Ambani has topped the Forbes list of India's 100 richest people with $92 billion wealth. He was followed by Gautam Adani ($68 billion), Shiv Nadar ($29.3 billion) and Savitri Jindal ($24 billion). Radhakishan Damani ranked fifth on the list with $23 billion fortune, followed by Cyrus Poonawalla at $20.7 billion and Hinduja Family at $20 billion.