India has fundamentally altered the strategic chessboard of the Indo-Pacific by advancing the Great Nicobar Island Development Project, a massive infrastructure initiative positioned directly at the mouth of the Strait of Malacca. By transforming a long-ignored maritime outpost into a world-class transshipment and surveillance hub, New Delhi is effectively addressing its domestic economic shortcomings while directly challenging China’s expanding geopolitical footprint.

For decades, Chinese strategists have feared their greatest maritime vulnerability: Malacca (马六甲). Rivals could potentially sever this vital economic artery, a scenario Beijing terms the Malacca dilemma (马六甲困境). This anxiety has fueled billions of dollars in Chinese infrastructure investments across the Indian Ocean—spanning from Gwadar and Hambantota to Kyaukphyu (a maritime expansion frequently documented in archival media such as Getty Images). However, India’s recent maneuver utilizes highly advantageous natural geography that no amount of Chinese port investment can replicate.

Spanning over 700 kms, the Andaman and Nicobar islands serve as what military experts call a “natural aircraft carrier.” At the southernmost tip sits Great Nicobar Island, situated almost equidistant from Port Klang, Singapore, and Colombo. Ships navigating the Strait of Malacca via the Six Degree Channel must pass directly under its watch. Economically, India currently hemorrhages $200-220 million annually because domestic vessels, lacking deep-draft home terminals, must unload cargo at foreign ports like Colombo, Klang, and Singapore. The Great Nicobar project, boasting natural depths exceeding twenty meters, dramatically reverses this dynamic. After its first-phase port was inaugurated in late 2024, the facility surpassed the one-million TEU mark within a single year of operation.

From China’s perspective, this development is alarming. Over the past thirty years, Beijing has engineered a “string of pearls”—a sprawling network of ports and logistics bases stretching from the South China Sea through the Indian Ocean to the Persian Gulf. Projects like Gwadar in Pakistan and Kyaukphyu in Myanmar (which connects to China via pipelines from the Bay of Bengal) offer alternate routes to the Arabian Sea to bypass Malacca entirely. Similarly, Hambantota serves as a central staging ground in the Indian Ocean. While China spends heavily to build artificial islands in the South China Sea due to a lack of natural geography at critical junctures, India inherited the perfect location. Equipped by the Andaman and Nicobar Command, the Indian base features a precision approach radar, an underwater surveillance system, and a robust naval communications network. This ensures every Chinese vessel traversing the Six Degree Channel operates under India’s watchful eye, providing unparalleled leverage during any political escalation.

This new leverage also counters recent security developments on India’s northern maritime front. A mere 55 kilometres from the Andaman and Nicobar Islands lies Myanmar’s Great Coco Island, which recently underwent major infrastructure upgrades. Although India demanded inspections of the site, Myanmar responded with mere assurances. By fortifying Great Nicobar, India is offering a structural, tangible response to China’s decades-long effort to place surveillance assets near India’s eastern maritime border, moving far beyond standard demarches or diplomatic protests.

The ambitious initiative has sparked legitimate ecological debates. Great Nicobar is home to dense tropical rain forests, crucial nesting sites for leatherback turtles, more than 1,700 endemic species, and the indigenous Shompen community. The diversion of 130 square kilometres of forest land and potential disruptions to the Galathea Bay ecosystem require rigorous, independent oversight. To this end, the National Green Tribunal has mandated forty-two compliance conditions. Nevertheless, Indian security experts warn against allowing these valid environmental issues to be hijacked or artificially amplified for geopolitical motives that have nothing to do with conservation.

Ultimately, the project represents a profound shift in India’s regional doctrine. For decades following its independence, New Delhi watched passively from the sidelines as other powers vied for supremacy. Conversely, China’s One Belt One Road (一带一路) initiative has actively operated on the assumption that infrastructure dictates strategy and ports yield geopolitical leverage. India has now internalized these lessons, applying them through its own established rules without resorting to authoritarian practices.

By peering directly into the Six Degree Channel, India’s monitoring apparatus will observe exactly what Beijing’s planners fear most. The Great Nicobar Island Development Project prepares India for future supply-chain disruptions and chokepoint crises—whether in Bab el-Mandeb, the South China Sea, or any emerging flashpoint. Asserting control over a crucial maritime artery, New Delhi is signaling that it is no longer content to simply observe the Indo-Pacific’s future, but is actively shaping it.

*(This report is based on analysis co-authored by Sriparna Pathak, Professor of China Studies and founding Director of the Centre for Northeast Asian Studies at OP Jindal Global University, and Nishit Kumar, Sinologist and Assistant Professor at the Subhas Chandra Bose Chair of International Relations, Chanakya University, Bengaluru.)*