Susim Mukul Datta, former chairman of Hindustan Unilever Ltd, passed away at 89, leaving a legacy of transformative strategies that solidified HUL's dominance in India's FMCG sector. He spearheaded the landmark merger of Lipton and Brooke Bond and played a crucial role during India's economic liberalization, including the acquisition of TOMCO and scaling up the Wheel detergents business.