Ratan Tata, who passed away at 86, led the Tata Group for 21 years, boosting revenues 46 times and profits 51 times. Under his leadership, Tata Group saw major international acquisitions, including Tetley, Corus, and Jaguar Land Rover. Tata Group's market capitalization grew significantly, and Tata Consultancy Services went public, raising $1.2 billion.
