Escalation of the Iran‑Israel war is causing a severe supply‑chain shock across Asia. The conflict has choked the Strait of Hormuz , driving up prices of oil derivatives, plastics and related commodities, and prompting manufacturers to cut output or halt production. Key Developments Raw‑material prices have risen up to 50% for some inputs; several suppliers have run out of stock. South Korean factories (e.g., a 57‑year‑old plant making plastic films) have reduced production to 20‑30% of normal capacity. Major food‑packaging users such as Samyang Foods (Buldak ramen) warn of potential shortages of PET packaging. Cosmetics container maker Yonwoo is scrambling for plastic resin, with visibility only up to June. Japanese retailer Takashimaya flags possible price hikes in clothing and appliances if the crisis persists. China’s synthetic‑rubber output is projected to fall by about 33% in April due to naphtha scarcity. Consumer panic buying is evident in South Korea, with hoarding of garbage bags and ramen noodles. Important Facts • The war began after U.S.–Israeli strikes on Iran on 28 February 2026 . • Approximately one‑fifth of the world’s oil and LNG transits the Strait of Hormuz . • Asian economies depend heavily on West‑Asian crude oil, gas and fertiliser, making them the most vulnerable region to any disruption. • Synthetic rubber accounts for nearly 50% of global production, largely from China. Shortage of naphtha forces a shift toward pricier natural rubber. UPSC Relevance Understanding this crisis touches multiple GS papers: GS‑3 (Economy & Industry) – energy security, petro‑chemical markets, and inflationary pressures; GS‑2 (International Relations) – strategic importance of the Strait of Hormuz and geopolitical risks; GS‑4 (Ethics & Integrity) – consumer panic buying and corporate risk‑management responses. Way Forward Governments should diversify energy import routes and build strategic petroleum reserves to cushion short‑term shocks. Industries need to develop alternative feedstocks (e.g., bio‑based plastics) and maintain higher safety stocks of critical inputs. Consumer‑price monitoring mechanisms must be strengthened to prevent exploitative price hikes during emergencies. Regional cooperation (e.g., ASEAN, SAARC) can facilitate shared logistics and joint procurement of essential commodities.