Overview of the Conflict More than 1,500 people have been killed in Iran since the war with Israel escalated in late February 2026. The death toll was reported by the state broadcaster on 21 March 2026 , citing the Health Ministry. The casualties occurred as Iran marked the end of the holy month of Ramadan . Key Developments (Week 4) Iran launched a missile strike on the joint Diego Garcia base, located about 4,000 km from Tehran, indicating a longer‑range capability or a possible use of its space programme for launch. The country’s primary nuclear enrichment site was struck again by coalition forces. The United States and Israel continue to justify the war as a means to curb Iran’s nuclear and missile programmes and to dismantle its support for armed proxies. Despite rhetoric about sparking an internal uprising, no significant anti‑government movement has emerged; internet shutdowns obscure on‑ground information. Regional spill‑over is evident as food and fuel prices rise across West Asia. Important Facts War began on 28 February 2026 with coordinated U.S.–Israeli air strikes on Iranian facilities. Casualty figures are based on official Iranian sources; independent verification is limited. Supreme Leader Ayatollah Mojtaba Khamenei has not appeared publicly since his appointment, raising questions about internal power dynamics. Iran’s missile reach now appears to extend beyond the previously acknowledged 2,000 km range. UPSC Relevance The conflict touches upon several core UPSC themes: Geopolitics and security : Iran’s missile capability, nuclear ambitions, and proxy networks are recurring topics in GS2. International law : The legality of pre‑emptive strikes, sovereignty violations, and the use of space for weapon delivery are pertinent to GS1 and GS2. Energy security : Disruption of oil routes and rising commodity prices affect global markets, a GS3 concern. Domestic politics : The opacity around the Supreme Leader’s visibility highlights the role of elite politics and succession in authoritarian regimes (GS2). Way Forward (Analytical Outlook) Diplomatic channels: UN Security Council resolutions or back‑channel talks could de‑escalate tensions, but veto dynamics among permanent members may stall action. Containment of missile proliferation: Strengthening the Missile Technology Control Regime (MTCR) and enhancing regional missile defence systems. Humanitarian response: International agencies must navigate access restrictions to address civilian casualties and food‑fuel inflation. Strategic assessment for India: Monitoring Iran’s extended strike range is vital for Indian maritime security, especially concerning the Indian Ocean Region (IOR).