V Balaji Abstract This paper revisits the pioneering contribution of the late Professor C.V. Seshadri, specifically his proposal of Shakthi as a parameter for optimising resource utilisation across food, ecology, energy, and economic systems. Shakthi, envisioned as an integrative metric combining energy and mass, aimed to align resource allocation with sustainable practices in nutrition, industry, and environmental management. While Seshadri’s groundbreaking ideas remained incomplete during...