India's Most Strategic Islands? Why Andaman And Nicobar Matter More Than Ever
Great Nicobar Project, besides serving geopolitical aspirations, could bring development to islands. Greenfield Airport could boost tourism and expand Navyâs operational outreach
The Andaman and Nicobar Islands are emerging as one of New Delhiâs most valuable strategic assets, not because of any single military project, but because geography, infrastructure and geopolitics are converging.
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A recent analysis by Indian defence portal IDRW says that Washington increasingly views Indiaâs military and dual-use infrastructure build-up in the island chain as a âforce multiplier" that strengthens stability across the Indo-Pacific.
It further said that a stronger Indian military presence on the islands enhances regional maritime security, disaster response, logistics and surveillance while complementing broader Indo-Pacific objectives.
The islandsâ strategic value stems from Indiaâs own security interests, expanding maritime responsibilities and growing role as a net security provider in the Indian Ocean Region.
âThe Andaman and Nicobar Islands are strategically vital for India as they are located close to the Strait of Malacca and Southeast Asian countries such as Myanmar, Thailand, and Indonesia. They are geographically positioned to monitor and tap into maritime traffic passing through one of the worldâs busiest chokepoints, and strengthen ties with the countryâs eastern neighbourhood, as envisaged in its Act East Policy," said Sohini Bose, Associate Fellow at Observer Research Foundation (ORF).
Geography Is Indiaâs Biggest Advantage
Stretching across the eastern Indian Ocean, the archipelago lies close to the Malacca Strait, one of the worldâs busiest maritime chokepoints linking the Indian Ocean with the Pacific.
Nearly a third of global shipping and a significant share of global energy supplies pass through these waters every year.
Any disruption to these sea lanes would have far-reaching consequences for global trade.
For India, this location provides unparalleled maritime domain awareness. Rather than controlling the Malacca Strait, Indiaâs advantage lies in being able to observe activity around one of the worldâs most strategically important waterways.
This improves early warning, strengthens naval deployments and allows quicker responses during emergencies.
Former Navy chief Admiral Arun Prakash has often described geography as Indiaâs greatest strategic asset in the eastern Indian Ocean. Unlike artificial military advantages that require constant investment, the islandsâ location offers India a permanent geopolitical advantage.
What Exactly Is India Building There?
Indiaâs infrastructure push is not limited to military facilities. Over the past few years, the government has upgraded runways capable of handling larger military aircraft, strengthened naval bases, expanded logistics facilities and improved surveillance and communications networks across the islands.
The Andaman and Nicobar Command, Indiaâs only integrated tri-service command, has also received increasing attention as New Delhi seeks better coordination between the Army, Navy and Air Force.
One of the most ambitious projects is the proposed Great Nicobar development, which includes an international trans-shipment port, a greenfield airport, power infrastructure and improved connectivity.
The project aims to transform Great Nicobar into both an economic and strategic hub capable of supporting commercial shipping while also improving Indiaâs ability to sustain military operations far from the mainland.
âThis is also the rationale behind the Great Nicobar Project, which, in addition to serving these geopolitical aspirations, is tailored to bring long-anticipated development to the islands.
The Greenfield Airport is a dual-use facility within the project, expected to boost tourism in the islands and expand the Navyâs operational outreach," said Bose.
At the same time, the project has sparked concerns among environmentalists over its impact on fragile ecosystems, biodiversity and indigenous communities.
Why Does This Matter To The US?
Washingtonâs interest is driven less by military basing and more by strategic cooperation. The US increasingly sees capable regional partners as essential to maintaining stability across the Indo-Pacific. Rather than expanding permanent American deployments everywhere, the focus has shifted towards strengthening the capabilities of trusted partners such as India, Japan and Australia.
Improved airfields and logistics facilities enhance humanitarian assistance and disaster relief operations during cyclones, earthquakes and tsunamisâmissions in which India has frequently played a leading regional role.
The islands also strengthen maritime domain awareness, allowing better tracking of commercial shipping, illegal activities and naval movements across the eastern Indian Ocean.
Existing defence agreements such as the Logistics Exchange Memorandum of Agreement (LEMOA) further improve operational cooperation by allowing reciprocal access to designated military facilities for logistics support during exercises, port visits and humanitarian missions.
Interoperability has also grown through common platforms such as the P-8 maritime patrol aircraft, operated by both India and the United States. These aircraft significantly enhance anti-submarine warfare, intelligence gathering and long-range maritime surveillance.
How The Islands Fit Into New Delhiâs Wider Maritime Posture Vis-Ă -Vis China?
Over the past decade, the Peopleâ Liberation Army Navy has steadily increased its deployments into the Indian Ocean through anti-piracy missions, submarine patrols, research vessels and growing access to overseas ports.
Chinaâs expanding commercial investments across the Indian Ocean Region have also increased its maritime presence.
India does not view every Chinese deployment as an immediate military threat. However, sustained Chinese naval activity has reinforced New Delhiâs need for better surveillance, faster response capabilities and greater operational reach across the eastern Indian Ocean.
âBeijing suffers from its âMalacca dilemmaâ, or apprehensions of obstructions in this chokepoint that can hinder nearly 80% of its overseas trade," Bose points out. She further said China has sought to maintain an âactive presence" in the region to ensure uninterrupted passage.
âHowever, as Chinaâs strategic footprint grows in the Indian Ocean Region, apprehensions that its rise will destabilise the status quo increase among other stakeholders, including India. New Delhi regards the Bay of Bengal (northeastern Indian Ocean) as its âprimary area of interestâ.
The location of the islands, close to the Strait of Malacca and straddling critical shipping routes, provides India with the opportunity to ensure freedom of navigation in these waters, through surveillance, naval patrols and maritime domain awareness," she explained.
Rather than signalling confrontation, the infrastructure build-up reflects Indiaâs effort to strengthen deterrence, improve preparedness and safeguard critical sea lanes that are vital to both national and global economic security.
Will Andaman & Nicobar Become The Cornerstone Of Indiaâs Indo-Pacific Strategy?
The Andaman and Nicobar Islands are no longer viewed simply as distant territories on Indiaâs eastern frontier. They are increasingly becoming the centrepiece of Indiaâs evolving maritime strategy.
Their value lies not only in their proximity to one of the worldâs busiest shipping routes but also in their ability to support surveillance, logistics, humanitarian assistance, disaster response and joint military operations.
âGiven the geographic location and strategic potential, Andaman and Nicobar Islands are already a vital aspect of Indiaâs vision of the Indo-Pacific, which encapsulates its Act East Policy. While the Andaman and Nicobar Command protects the countryâs eastern maritime security interests and engages in collaborative security engagements with Southeast Asia, development projects such as those in Great Nicobar will enhance the islandâs strategic and economic viability, making it a more conducive platform for forging ties with the neighbouring countries.
However, it will be simultaneously necessary to conserve the ecological and anthropogenic rarities to ensure the sustainable development of these islands," stressed Bose.
If India succeeds, the Andaman and Nicobar Islands are unlikely to remain merely an outpost.
Over the next decade, they could become the cornerstone of Indiaâs Indo-Pacific strategy, strengthening its role as a leading maritime power while reinforcing its long-standing commitment to strategic autonomy.
Key Questions Answered
The Great Nicobar Project faces criticism for potential ecological damage and tribal disruption.
Approximately 130 square kilometers of forest land are being utilized for the project. Critics warn of irreversible environmental damage.
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