India, Aug. 29 -- With an eye on China, India and Japan on Friday unveiled a substantial revamp of their security cooperation, with the emphasis on contributing to each other's defence readiness, coordination on risk assessments, collaboration between special forces and joint exercises focused on the Indo-Pacific.

The Joint Declaration on Security Cooperation, issued after a summit meeting in Tokyo between Prime Minister Narendra Modi and his counterpart Shigeru Ishiba, provides a template for ramping up defence and security cooperation between the two sides, which has grown steadily over the past two decades. Security cooperation between India and Japan has also grown within the Quad format in this period.

The new arrangement - an upda...