Prime Minister Narendra Modi and Japanese Prime Minister Sanae Takaichi announced a $10 billion investment push and a first-ever co-development defence project today.

This agreement signals a significant escalation in the India-Japan Global Strategic Partnership, moving beyond trade into high-level security and technological integration. The shift aims to stabilize regional security while accelerating economic growth through shared innovation.

The leaders pledged deeper cooperation across several critical sectors, including artificial intelligence, security, and technology. As part of this diplomatic reset, the two nations signed 120 new business agreements [1]. These deals are intended to streamline trade and foster a more integrated economic corridor between the two Asian powers.

Financial commitments form the backbone of the new partnership. The summit resulted in an investment commitment of $10 billion [1], with some reports indicating the pledge exceeds that amount [2]. Looking toward the long term, Japan has set a target of ¥10 trillion in investments over the next decade [2].

The defence cooperation marks a historic milestone. By launching their first co-development project, India and Japan are transitioning from purchasing equipment to jointly creating military technology. This move is designed to enhance the strategic autonomy of both nations, a key goal for the partnership's reset.

Both leaders said the initiative will boost bilateral trade and security. The focus on AI and technology is expected to modernize industrial output and digital infrastructure in both countries.

The two nations signed 120 new business agreements.

The transition to co-developing defence technology represents a fundamental shift in the India-Japan relationship. By moving from a buyer-seller dynamic to a collaborative engineering partnership, both nations are reducing their reliance on third-party military suppliers and strengthening a democratic security axis in the Indo-Pacific region.