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Hirabai Tata was the mother of Dorabji Tata, a prominent Indian industrialist and philanthropist. Dorabji was the eldest son of Jamsetji Tata, the founder of the Tata Group. Hirabai was a devout Parsi woman who played a significant role in shaping Dorabji's character and values. She instilled in him a strong sense of discipline, hard work, and compassion, which he carried throughout his life.