Great Nicobar and the Malacca Dilemma: Why Geography May Be India’s Greatest Maritime Asset
What if one of India’s most consequential strategic assets is not a carrier, missile system or naval fleet—but an island?
Barely 74 kilometres from the mouth of the Strait of Malacca, Great Nicobar sits beside one of the world’s most important maritime chokepoints. For decades, India possessed the geography but did little to convert it into strategic leverage.
That may now be changing.
The Great Nicobar Island Development Project is not merely about a transshipment terminal, an airport or a new township. It represents a larger strategic question: Can India finally convert geography into enduring maritime power?
For China, which has wrestled with the “Malacca dilemma” for more than two decades, the answer matters enormously.
For India, it could determine how effectively New Delhi shapes the emerging Indo-Pacific order.

The Island That Could Change India’s Maritime Equation
Great Nicobar may be far from mainland India, but its strategic significance reaches far beyond the island itself. Located close to the Malacca Strait, the project combines maritime infrastructure, connectivity, economic ambition and defence potential at a critical Indo-Pacific chokepoint. This analysis examines why India is finally converting geography into strategic capability, what it means for China’s Malacca dilemma, how it could strengthen India’s maritime role, and why strategic necessity must still be balanced with environmental and tribal safeguards. This has been discussed by me in various international forums, some of which are attached in this analysis.

OPINION · STRATEGIC AFFAIRS · INDO-PACIFIC
An Emerald Set in Gold
Great Nicobar and India’s Reckoning with the Malacca Chokepoint
By Major General (Dr.) S. B. Asthana, SM, VSM, PhD (Veteran)
Backdrop
Nearly 1,500 kilometres from mainland India, on a stretch of coral and rainforest where Subhas Chandra Bose first raised a free Indian flag in 1943, New Delhi is quietly building what may become the most consequential piece of maritime infrastructure in the Indo-Pacific this decade. Great Nicobar sits barely 74 kilometres from the mouth of the Strait of Malacca — the artery through which nearly half of China’s trade and up to 80 percent of its energy imports must pass. A Chinese scholar at Beijing’s Renmin University recently admitted as much in stark terms: “the Malacca dilemma seems more prominent … the challenge from India is also increasing.” He is not wrong to worry.
Geography Still Decides Wars
The U.S. Iran War has clarified to all strategists in the world that Geography and Terrain friction can change the strategic equations built purely on numbers of military assets and technology. As I mentioned in my quoted interview:-
“What everybody perhaps realised was that geography is important when it comes to military equations. It’s not only the number of assets which you have — when the geography in Hormuz was in favour of Iran, obviously a lot changed. Similar is the situation in the Strait of Malacca. The Strait of Malacca is even busier than the Strait of Hormuz.”
That single fact should reframe how commentators discuss Great Nicobar. This is not merely a mega-infrastructure project competing with Singapore or Colombo for transshipment revenue, though it will do that too. It is India finally occupying ground that geography has been offering it for seven decades. The Andaman & Nicobar Command, raised in October 2001 as India’s only tri-service theatre command, already sits astride the confluence of three critical channels — the Malacca Strait, the Ten Degree Channel and the Six Degree Channel — through which roughly 80 percent of global shipping transits. As I noted during a recent televised discussion on the Command: “It is 0.2 percent of India’s land mass but has 30 percent of India’s EEZ. That is the relevance of Andaman and Nicobar.”

The Architecture Of Ambition
Strip away the rhetoric and the Great Nicobar Island Development Project (GNIDP) is, in engineering terms, a ₹72,000–81,000 crore (roughly $9–10 billion) undertaking rolled out over three phases spanning thirty years, under the Holistic Development of Islands programme and executed by the Andaman and Nicobar Islands Integrated Development Corporation. Four components anchor it: an International Container Transshipment Terminal at Galathea Bay designed for 14.2 million TEU capacity; a greenfield international airport built explicitly as a dual-use civil-military facility; a 450 MVA gas-and-solar power plant; and a township intended to eventually house upwards of 650,000 people. Located near the Six Degree Channel, the island sits some 90–150 kilometres off the East-West shipping corridor that carries close to a quarter of global trade. This is the first serious attempt in independent India’s history to convert seventy years of latent geographic advantage into standing capability, rather than leaving it as a line on a map.
Why Beijing Cannot Simply Route Around It
China has spent two decades and tens of billions of dollars trying to defeat geography. The China-Myanmar Economic Corridor, the China-Pakistan Economic Corridor, the long-abandoned Kra Canal proposal in Thailand — all were conceived to bypass a chokepoint Beijing has feared since Hu Jintao first named the “Malacca dilemma” in 2003. None of them work economically. I have laid out the arithmetic plainly before:
“Anything which China transships through the Malacca Strait, if it averages $2.5 per unit of trade, then through any other option which they have tried to create (CPEC/CMEC/Lambak or any other Strait), it is more than $10. So it is four to five times costlier … and therefore Malacca Strait remains crucial.”
That is the strategic reality Great Nicobar exploits — not by threatening to shut the strait, which no single power including India could unilaterally do given that Indonesia, Malaysia, Singapore and Thailand all hold genuine sway over it, but by ensuring India’s own forward presence, surveillance reach and interoperability with partner navies sit permanently at the strait’s northern shoulder.
Twenty Diego Garcias
To grasp the scale of underused potential here, consider a comparison I have offered before. Diego Garcia — the joint US-UK base that has anchored Indo-Pacific power projection for half a century — covers roughly 6,000 acres and hosts fifteen military establishments. “In Andaman and Nicobar Command, you have the luxury of twenty Diego Garcias.” That is not hyperbole; it is an accounting of what nature has handed India and what successive governments were slow to develop. The current phase is the first serious attempt to convert that latent advantage into standing capability, and analysts increasingly describe the islands as positioning India to be the effective umpire of the eastern Indian Ocean, watching over Chinese naval and submarine movement toward the Malacca, Sunda and Lombok straits alike.
The Taiwan Dimension
Here the analysis moves from the Indian Ocean into the wider Indo-Pacific chessboard, and I want to be precise rather than alarmist. Great Nicobar was not conceived as a Taiwan-contingency asset, and it should not be oversold as one. But contingencies do not respect the intentions with which infrastructure was built — they exploit what exists. I offered this scenario deliberately as a hypothetical in one recent discussion, and it deserves to be read as exactly that:
“Let me also input it in context of Taiwan — let’s say hypothetically, if Taiwan is blockaded, then perhaps … if they are cut off in the Malacca Strait, then their blockade loses its value, and perhaps that is one contingency which they are thinking about.”
A power cannot comfortably project force eastward while its own western supply lines sit exposed — precisely the two-front vulnerability that Chinese strategists themselves have flagged, right down to a Beijing scholar’s own prescription: accelerate blue-water naval capability, pursue alternative routes through Myanmar and Thailand, and resolve the Taiwan question quickly enough to then focus fully on the South and East China Seas.
A Bridge, Not A Fortress
What should not be lost in the security discourse is the developmental logic that first justified this project and remains its primary economic driver — reducing India’s roughly $200–220 million in annual leakage to foreign transshipment hubs and capturing a share of exponentially rising regional container volumes. As I said in an earlier discussion on the Command: “Let us forget defence, offence — it is a projection of India’s power … this is a bridge to Southeast Asia … the Andaman and Nicobar Command will play a greater role in the growth and emergence of India than any other military command.” That framing matters diplomatically too. India’s posture at Great Nicobar is explicitly complementary — coordinating informally with Indonesia’s dual-use facility at Sabang to cover the strait’s southern approach, exercising regularly with Quad navies and France, building the kind of interoperability where, as I have noted, “combinations can be made and intentions can change overnight.” This is deterrence through partnership and presence, not unilateral coercion, and New Delhi would do well to keep articulating that distinction clearly to ASEAN littoral states who understandably watch any expansion of military footprint near their waters with caution.

When Politics Catches Up With Strategy
Great Nicobar has, in 2026, become as much a domestic political battleground as a geopolitical one. Certain political parties alleged that its benefiting private commercial interests rather than national security, warning of the felling of ancient rainforest and irreversible damage to a globally significant biodiversity hotspot, and alleging that the defence rationale is being used as cover. The Indian government’s rebuttal points out that only about 1.82 percent of the total forest cover of the Andaman and Nicobar Islands will be diverted, that of roughly 18.65 lakh trees standing within the wider project footprint only around 7.11 lakh are slated for felling in phases, and that compensatory afforestation across more than 97 square kilometres, alongside green zones of nearly 66 square kilometres, will be maintained under three independent monitoring committees.
The Indian Government insists that no Shompen or Nicobarese displacement is planned, with tribal reserve adjustments producing a net increase in protected land, and notes the National Green Tribunal cleared the project after scrutiny by six judges. The tribals have also given the ‘No Objection Certificate’ The project shifts India’s effective land presence some 400 kilometres further south into the Indian Ocean, and that a project first conceived decades ago is finally being executed. The dual-use airport occupies barely five percent of the footprint while the bulk of the 160 square kilometres involved is commercial township and port — a fair caution against invoking national security to foreclose every question.
My own assessment is not coloured by the electoral noise: the ecological and tribal-rights costs are real and deserve independent verification rather than reflexive dismissal, but the underlying strategic logic of occupying this geography is sound, and the two arguments are not actually in contradiction — a project can be both strategically necessary and require far more transparent, continuously audited execution than it has received so far.
Conclusion
Geography placed India astride one of the world’s great chokepoints seven decades ago and, for most of that time, New Delhi treated the Andaman & Nicobar Islands as a distant outpost rather than the strategic fulcrum they always were. That posture is now changing, and Great Nicobar is the clearest evidence of it. The project’s $9–10 billion transshipment terminal, dual-use airport, power plant and township are not simply infrastructure for infrastructure’s sake — they are the physical expression of a long-overdue recognition that whoever sits at the northern shoulder of the Malacca Strait holds leverage that no amount of naval tonnage elsewhere can fully replace. Beijing’s own scholars concede as much, and its decades-long, multi-billion-dollar effort to engineer alternatives through Myanmar, Pakistan and a stillborn Kra Canal is itself the most honest admission of how little room China has to manoeuvre around this one piece of geography.
None of this needs to be read as belligerence. The logic I have tried to lay out through the Andaman & Nicobar Command’s own framing — a bridge to Southeast Asia before it is a fortress against anyone — remains the right way to hold these two truths together. India gains dual-use capability, deeper interoperability with Quad partners and France, and a genuine claim to being the Indian Ocean’s principal security provider, while still being able to tell ASEAN capitals, with a straight face, that this is about presence and partnership rather than blockade. The Taiwan contingency I sketched out is exactly that — a contingency, not a plan — but strategic infrastructure has a way of mattering most in the scenarios nobody built it for, and Beijing’s planners will not ignore that fact even if New Delhi never invokes it.
At the same time, none of the strategic argument excuses sloppy execution. The ecological stakes — a million-tree biodiversity hotspot, an active seismic zone, the rights of the Shompen and Nicobarese need to be taken care of to progress the strategic case, which is far too important for national security and commercial development of maritime trade and traffic.
Admiral Alfred Thayer Mahan wrote in 1898 that the twenty-first century would belong to whoever commanded the Indian Ocean. India has waited a long time to test that proposition seriously, and has arguably wasted opportunities in doing so earlier. Great Nicobar, whatever its costs, however long its construction, and however loud its politics, is the first project in decades that treats geography as the strategic asset it has always been. Handled with the strategic patience it deserves and the environmental and social accountability it owes, it can be exactly what its best advocates claim — an emerald, finally, being set in gold.
| About the Author Major General (Dr) S B Asthana, SM, VSM (Retd) is a veteran Infantry General, former Director General of Infantry, Indian Army, and former Director at the United Service Institution of India (USI), the country’s oldest strategic think tank. A globally recognised strategic and military analyst with over 600 published articles and extensive television commentary with 5000+ discussions globally, his work focuses on geopolitics, multipolarity and India’s strategic choices. The views expressed are personal views of the author who retains the copyright over the paper. asthanawrites.org | linkedin.com/in/shashi-asthana-4b3801a6 | YouTube: @GenAsthanaAnalyses |
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