Indian Ocean Region

Indian Polity & Governance
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Version 1Updated 5 Mar 2026

The Indian Ocean Region (IOR) encompasses the ocean and its littoral states, extending from the Persian Gulf and Red Sea in the west to the Strait of Malacca in the east, and from the Arabian Peninsula and Indian subcontinent in the north to Antarctica in the south. According to India's Maritime Security Strategy 2015, the IOR is defined as India's primary area of maritime interest, encompassing a…

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The Indian Ocean Region (IOR) is the world's third-largest ocean covering 70 million square kilometers, serving as a critical highway for global trade and energy flows. It extends from the Persian Gulf to the Strait of Malacca, encompassing 36 littoral states and numerous strategic islands.

The region handles 60% of global seaborne oil shipments and 33% of bulk cargo, making it economically vital. Key chokepoints include the Strait of Hormuz (21% of global oil), Suez Canal (12% of global trade), Strait of Malacca (25% of traded goods), and Bab-el-Mandeb strait.

For India, the IOR represents its natural sphere of influence, with over 90% of trade by volume passing through these waters. India's SAGAR (Security and Growth for All in the Region) policy, announced in 2015, emphasizes being a 'net security provider' while promoting cooperative development.

The region faces great power competition between the US (maintaining traditional dominance), China (expanding through Belt and Road Initiative and String of Pearls strategy), and India (asserting regional leadership).

Major security challenges include maritime terrorism, piracy, drug trafficking, and climate change impacts on small island states. India responds through naval modernization, strategic partnerships (Quad with US, Japan, Australia), bilateral cooperation with regional nations, and multilateral engagement through forums like IORA.

The Andaman and Nicobar Islands serve as India's strategic outpost, providing forward presence and monitoring capabilities. Recent developments include tensions with Maldives, Chabahar Port operations despite sanctions, and expanded Australia-India maritime cooperation, reflecting the dynamic nature of IOR geopolitics.

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