India and Japan, under PM Modi and Japan's first female PM Sanae Takaichi, have expanded defence and economic security ties centred on semiconductor supply chains, AI cooperation and defence-equipment transfers, according to NDTV and Newsday — a strategic corridor designed to reduce both nations' dependence on China and reshape the Quad's leverage across the Indo-Pacific.

The 5W+H: Who, What, When, Where, Why, How

  • Who: Indian PM Narendra Modi and Japanese PM Sanae Takaichi, the first woman to lead Japan's government.
  • What: Signed expanded defence and economic security agreements covering semiconductor supply chains, AI cooperation and defence-equipment transfers, according to NDTV and Newsday.
  • When: During Takaichi's official visit to India in 2025, as reported by NHK, NDTV and Newsday.
  • Where: New Delhi, India.
  • Why: To build resilient supply chains reducing dependence on China and to deepen the strategic corridor within the Quad framework, per reports.
  • How: Through bilateral MoUs on semiconductor collaboration, relaxation of Japan's defence export norms, and expanded AI and technology-sharing frameworks, as reported by NDTV and Newsday.

Here is a number that should keep Beijing's commerce ministry awake tonight: Japan controls roughly 30 percent of the world's semiconductor equipment market and nearly 50 percent of key photoresist chemicals. India, meanwhile, imports more than 90 percent of its finished chips. Put those two facts on the same table in Hyderabad House, add a first-ever female Japanese prime minister who has built her political brand on economic-security hawkishness, and the handshake between Narendra Modi and Sanae Takaichi starts to look less like protocol and far more like the opening move of the decade's most consequential supply-chain chess game.

According to NDTV, Modi and Takaichi deepened India-Japan ties on AI and technology during the latter's visit to New Delhi, signing a raft of agreements that go well beyond the usual joint-statement bromides. Newsday reported that the two leaders expanded defence and economic security ties in what was described as a direct counter-pivot against China's dominance in critical technology supply chains. NHK, Japan's public broadcaster, headlined the outcome simply — "resilient and prosperous" ties — but the adjective "resilient" is doing enormous geopolitical work in that sentence.

The Semiconductor Corridor Neither Side Will Call by Name

The real prize buried in the joint announcements, per reports, is a semiconductor supply-chain corridor that commits Japanese equipment makers and chemical suppliers to partnering with India's nascent chip fabrication ecosystem. India's ambitions are no secret — the Modi government has committed over ₹76,000 crore to its India Semiconductor Mission, courting fabs from Micron to the Tata-PSMC joint venture in Gujarat. What has been missing is Japan, whose companies dominate the invisible upstream layers of chipmaking: the lithography chemicals, the silicon wafers, the testing gear without which no fab can function.

Takaichi, who served as Japan's Minister for Economic Security before becoming PM, has reportedly pushed to relax restrictions on exporting dual-use semiconductor equipment to "trusted partners," according to Newsday. India, if this framework holds, moves from being a customer begging for finished chips to a co-producer embedded in the Japanese supply web — a structural shift that could shave years off the India Semiconductor Mission's timeline.

But let nobody mistake this for charity. Japan needs India almost as much as India needs Japanese equipment. Tokyo's nightmare scenario is simple: a Taiwan Strait crisis that severs TSMC's output overnight, leaving Japan's automakers and electronics giants — Toyota, Sony, Renesas — gasping for silicon. India, with its English-speaking engineering workforce, stable democratic governance, and strategic location outside China's military envelope, is the diversification play Japan has been quietly evaluating for three years. Takaichi's visit turns evaluation into commitment.

Political Pulse

The corridor chatter in South Block, according to sources familiar with the diplomatic track, is that Takaichi arrived with a mandate from Japan's Keidanren (the powerful business federation) that went further than any previous Japanese PM has been willing to go on defence exports. The talk in strategic circles is that Tokyo is prepared to co-develop next-generation unmanned maritime systems with India — a capability gap that has haunted the Indian Navy's Indo-Pacific ambitions. Whether this means licence-built Japanese submarine technology eventually flows to Mazagon Dock remains, for now, the kind of question officials answer with a smile and a "watch this space."

On the Indian side, the whisper is equally pointed: Modi's team is understood to view the Takaichi visit as the template for converting the Quad from a talk-shop into an operational supply-chain alliance, with India as the manufacturing node, Japan as the equipment and chemicals provider, Australia as the rare-earths supplier, and the United States as the design and IP hub. "The Quad has always been a security conversation," a senior policy watcher in Delhi told peers at a recent track-two dialogue, as reported in the strategic affairs press. "Modi wants it to become a procurement architecture."

(This reflects strategic-circle chatter and unverified speculation, not confirmed fact.)

Defence Export Relaxation: What Takaichi Conceded

Japan's post-war pacifist constitution has, for decades, made defence exports politically radioactive in Tokyo. Takaichi has reportedly chipped away at that taboo faster than any predecessor. As Newsday noted, her government expanded the scope of defence-equipment transfers during the Modi talks, building on Tokyo's 2023 revision of its Three Principles on defence-equipment transfers. The practical upshot: Japanese-made components — infrared sensors, submarine-grade steel, advanced radar modules — can now flow to India through government-to-government channels with fewer bureaucratic barriers.

For India, this fills a critical gap. The Narendra Modi government's "Make in India" defence push has been hamstrung not by a lack of intent but by a lack of high-grade components that only a handful of countries — Japan, Israel, France — manufacture. Japanese radar and sonar technology, in particular, is considered among the world's best. If even a fraction of that pipeline opens, it changes the cost calculus for programmes like Project 75(I), the Indian Navy's next-generation submarine line.

The AI and Technology Play

NDTV reported that AI cooperation was a central plank of the Modi-Takaichi package. The details, while not fully public, are understood to include Japanese investment in India's AI research infrastructure and joint development of AI models for supply-chain logistics — a domain where both countries trail China's state-backed efforts. The strategic subtext is unmistakable: neither Delhi nor Tokyo wants to rely on Chinese-built AI stacks for the very supply chains they are now trying to de-risk from China.

India Herald's read of the larger architecture here is this: Modi and Takaichi are not simply signing bilateral deals — they are constructing the plumbing for a parallel economic order in Asia, one that routes around Beijing rather than through it. Every MoU on chips, every defence-export relaxation, every AI research partnership is a pipe in that plumbing. The question is no longer whether India and Japan want this corridor. It is whether two democracies, with their coalition politics, their electoral cycles, their bureaucratic caution, can actually build it fast enough before China's existing dominance becomes irreversible.

What This Means for the Quad — and for China's Response

The Takaichi visit lands at a moment when the Quad is under structural pressure. Australia's government has signalled caution about antagonising Beijing on trade. The United States, consumed by its own political cycle, has been an inconsistent Quad champion. Into that vacuum steps the Modi-Takaichi axis — the Quad's most operationally committed bilateral pair, now linked by chip supply chains, defence pipelines and AI frameworks that give the grouping a material spine it has historically lacked.

Beijing will not sit still. China's commerce ministry has already, in recent months, tightened export controls on gallium and germanium — critical semiconductor raw materials — in what analysts widely interpret as a warning shot at precisely this kind of alliance-building, per Reuters reports on China's rare-earth strategy. If India and Japan succeed in standing up an alternative supply corridor, expect China to weaponise its rare-earth and critical-mineral leverage even more aggressively, testing whether the Modi-Takaichi framework has economic teeth or is simply another communiqué that gathers dust.

The forward question, the one that will define Indo-Pacific geopolitics for the next twelve months, is structural: can Japan's corporate culture, famous for caution and consensus, actually move at the speed India's chip timeline demands? Can India's regulatory apparatus — land acquisition, environmental clearances, power-grid readiness — keep up with Japanese capital once it arrives? And can both democracies sustain the political will through election cycles, cabinet reshuffles and the inevitable diplomatic crises that Beijing will engineer to test the partnership?

That is the question Modi and Takaichi shook hands over. The handshake was the easy part.

By the Numbers

  • Japan controls roughly 30% of global semiconductor equipment market and nearly 50% of key photoresist chemicals (industry data).
  • India imports more than 90% of its finished semiconductor chips.
  • India's Semiconductor Mission commitment exceeds ₹76,000 crore.

Key Takeaways

  • Japan controls ~30% of global semiconductor equipment and ~50% of key photoresist chemicals; India imports over 90% of its finished chips — this pact is designed to structurally bridge that gap, per NDTV and Newsday.
  • Takaichi has reportedly relaxed Japan's defence-export norms further than any predecessor, opening the door for Japanese radar, sonar and submarine-grade components to flow to India through government-to-government channels.
  • The Modi government views the Takaichi visit as a template for converting the Quad from a security talk-shop into an operational supply-chain procurement architecture, with India as the manufacturing node.
  • China's retaliatory leverage — tightened export controls on gallium, germanium and rare earths — will be the first real stress test of whether this corridor has teeth or remains aspirational.

Frequently Asked Questions

What did India and Japan agree on during Takaichi's visit?

According to NDTV and Newsday, PM Modi and PM Takaichi signed expanded agreements on semiconductor supply-chain cooperation, AI and technology partnerships, and defence-equipment transfers, aimed at reducing dependence on China.

How does the India-Japan semiconductor pact affect India's chip ambitions?

The pact commits Japanese semiconductor equipment makers and chemical suppliers to partnering with India's chip fabrication ecosystem, potentially accelerating the India Semiconductor Mission's timeline by providing critical upstream components India currently cannot source domestically.

What defence exports has Japan relaxed for India?

Building on Tokyo's 2023 revision of its Three Principles on defence-equipment transfers, Takaichi's government has expanded the scope of components — including radar modules, infrared sensors and submarine-grade steel — that can flow to India through government channels, per Newsday.

How does this affect the Quad alliance?

Strategic-circle analysis suggests the Modi-Takaichi axis gives the Quad a material supply-chain spine it has historically lacked, with India as the manufacturing node, Japan as equipment provider, Australia as rare-earths supplier and the US as the design hub.

Find out more: