| 28 Apr 1952 | — (Govts of India & Japan) | — | Treaty of Peace signed → Formal diplomatic relations established | Marked official establishment of bilateral ties |
| 24 May 1957 | Nobusuke Kishi, Prime Minister of Japan | India | First Japanese PM visit to India | Welcomed by PM Nehru in Delhi; laid foundation for post-war economic cooperation |
| 4–13 Oct 1957(arr. 4 Oct) | Jawaharlal Nehru, Prime Minister of India | Japan | State visit | Addressed Japanese Parliament; visited Renkoji Temple (Subhash Chandra Bose’s ashes); ~10-day tour |
| 29 Sep – 6 Oct 1958 | Rajendra Prasad, President of India | Japan | State visit | Public ceremony in Tokyo; welcomed by Emperor Hirohito; felicitation in Delhi on 6 Oct |
| 27 Nov – 6 Dec 1960 | Crown Prince Akihito & Crown Princess Michiko (later Emperor & Empress) | India | Goodwill visit | First imperial family visit to India after WWII; hosted by President Rajendra Prasad |
| 22 Aug 2007 | Shinzo Abe, Prime Minister of Japan | India | Address to Indian Parliament (“Confluence of Two Seas”) | Introduced Indo-Pacific strategic vision; seed of Quad idea |
| 30 Nov – 6 Dec 2013 | Emperor Akihito & Empress Michiko | India | First Imperial visit to India | Stayed in Delhi & Chennai; seen as high-trust symbol |
| 25–27 Jan 2014 | Shinzo Abe, Prime Minister of Japan | India | Chief Guest at Republic Day; Annual Summit | Joint statement on 25 Jan; first Japanese PM to be Republic Day Chief Guest |
| 30 Aug – 3 Sep 2014 | Narendra Modi, Prime Minister of India | Japan | Annual Summit; Tokyo Declaration (1 Sep 2014) | Elevated to Special Strategic & Global Partnership |
| 10–12 Nov 2016 | Narendra Modi, Prime Minister of India | Japan | Annual Summit | Civil Nuclear Cooperation Agreement signed (11 Nov 2016) |
| 21–23 Oct 2019 | Ram Nath Kovind, President of India | Japan | Enthronement of Emperor Naruhito | Attended state ceremonies; bilateral engagements |
| 19–20 Mar 2022 | Fumio Kishida, Prime Minister of Japan | India | 14th Annual Summit | Post-COVID Joint Statement; JPY 5 trillion investment pledge; Clean Energy Partnership; 7 yen loan projects (JPY 300 bn) |
| 27 Sep 2022 | Narendra Modi, Prime Minister of India | Japan | State Funeral of Shinzo Abe | Bilateral meeting with PM Kishida |
| 19–21 Mar 2023 | Fumio Kishida, Prime Minister of Japan | India | Bilateral visit | FOIP policy speech at ICWA; JICA ODA loan for MAHSR (JPY 300 bn); Tourism Year 2023–24 declared; signed JCM on climate |
| 19–21 May 2023 | Narendra Modi, Prime Minister of India | Japan | G7 Hiroshima Summit | Bilateral with Kishida; unveiled Gandhi statue at Peace Park |
| 9–10 Sep 2023 | Fumio Kishida, Prime Minister of Japan | India | G20 New Delhi Summit | Focus on Global South; G7–G20 coordination |
| 14 Jun 2024 | Narendra Modi & Fumio Kishida | Italy (G7 Apulia) | Bilateral meeting on sidelines | Marked 10 years of Special Strategic & Global Partnership |
| 21 Sep 2024 | Narendra Modi & Fumio Kishida | USA (Wilmington, QUAD Summit) | QUAD leaders’ meeting | Regional Indo-Pacific focus |
| 10 Oct 2024 | Narendra Modi & Shigeru Ishiba | Laos (ASEAN Summit, Vientiane) | Bilateral on sidelines | First Modi–Ishiba meeting |
| 17 Jun 2025 | Narendra Modi & Shigeru Ishiba | Canada (G7 Kananaskis) | Bilateral on sidelines | Strategic dialogue at G7 |
| 29–30 Aug 2025 | Narendra Modi, Prime Minister of India | Japan (Tokyo + Sendai) | 15th India–Japan Annual Summit | Joint Vision for the Next Decade; new Security Cooperation Declaration; semiconductor pact; Chandrayaan-5 space cooperation; $68 bn package |
