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Mukesh Dhirubhai Ambani is an Indian billionaire businessman who is the chairman and managing director of Reliance Industries Limited, the largest private sector enterprise in India. He is also the chairman of Reliance Jio, a subsidiary of Reliance Industries that is India's largest telecom operator by subscribers. Ambani is one of the richest people in the world, with an estimated net worth of $101.9 billion as of February 2023.