The desirability and necessity of having a relook into the re-categorization of International Atomic Energy Agency (IAEA) defined High-Enriched Uranium (HEU) and Plutonium (Pu) by focussing on the relevance of strategic value/isotopic composition of the materials for re-categorization, for example, creating an intermediate category between the existing Low Enriched Uranium (LEU) and weapons-grade uranium (U-235 > 90 per cent) and re-categorizing plutonium into Weapons-Grade Plutonium (WGPU) and Reactor-Grade Plutonium (RGPU), specifying the content of Pu-240 in each case, had been sugges