INS Sahyadri and Kulish End ADMM-Plus Drill at Subic Bay
Indian Navy ships INS Sahyadri and INS Kulish wrapped up the 23rd ADMM-Plus maritime security joint cooperation activity at Subic Bay in the Philippines.

Why in News
The Indian Navy ships INS Sahyadri and INS Kulish concluded their participation in the 23rd ADMM-Plus maritime security joint cooperation activity at Subic Bay, Philippines, the closing ceremony having been held on 25 September 2026.
Two Indian warships have finished a fortnight of multilateral work in the South China Sea neighbourhood. INS Sahyadri, a frontline stealth frigate, and INS Kulish, a missile corvette, took part in the 23rd ADMM-Plus Experts Working Group on Maritime Security Joint Cooperation Activity at Subic Bay in the Philippines. The closing ceremony was held on 25 September 2026.
Who hosted it
The activity had opened on 21 September 2026 at Naval Operating Base Subic. The Philippine Navy was the host and Japan was the co-chair. ADMM-Plus is the defence ministers platform that brings the ASEAN countries together with their eight dialogue partners, and maritime security is one of its standing expert working groups.
The harbour phase
Before the ships sailed, the participants met ashore. There were subject matter expert exchanges on peace and security, on the ASEAN Navy Chiefs Meeting and Guidelines for Maritime Interaction, on senior enlisted leadership and on protection of the marine environment. Sporting events, an International Day and a cultural show filled the rest of the harbour programme. On 22 September the Indian crews joined an operational synchronisation session and a tabletop exercise, and then a pre-sail conference to work out the plan for the days at sea. A community programme was also held at the Shepherds of the Hill Center in Zambales.
The sea phase
At sea the navies ran a set of coordinated drills together: search and rescue, hydrographic survey, casualty and medical evacuation, deck landing qualification for helicopters, and assistance to a vessel that has run aground. Each of these is a task navies perform jointly in a real emergency, so the value of the serials lay in tightening coordination and interoperability rather than in firepower.
Why it matters for India
Indian participation was placed by the Ministry of Defence within the Act East Policy and the MAHASAGAR vision, which stands for Mutual and Holistic Advancement for Security and Growth Across Regions.
Important Facts
| Activity | 23rd ADMM-Plus Experts Working Group on Maritime Security Joint Cooperation Activity |
|---|---|
| Indian ships | INS Sahyadri (stealth frigate) and INS Kulish (missile corvette) |
| Venue | Subic Bay and Naval Operating Base Subic, Philippines |
| Dates | Opened 21 September 2026, closing ceremony 25 September 2026 |
| Host | Philippine Navy |
| Co-chair | Japan |
| Indian policy framing | Act East Policy and MAHASAGAR vision |
| MAHASAGAR full form | Mutual and Holistic Advancement for Security and Growth Across Regions |
Exam Point of View
Remember the two ships and their types, the host (Philippine Navy) and co-chair (Japan), the venue (Subic Bay, Philippines), the edition (23rd), the ADMM-Plus full form and what MAHASAGAR stands for.
Practice Questions
Which two Indian Navy ships took part in the 23rd ADMM-Plus maritime security joint cooperation activity at Subic Bay?
- A.INS Shivalik and INS Kadmatt
- B.INS Sahyadri and INS Kulish
- C.INS Delhi and INS Satpura
- D.INS Talwar and INS Trikand
Show answer
Correct answer: B. INS Sahyadri and INS Kulish
Explanation
The correct answer is INS Sahyadri and INS Kulish. INS Sahyadri is a frontline stealth frigate and INS Kulish is a missile corvette, and the two sailed to Subic Bay in the Philippines for the Experts Working Group activity on maritime security, whose closing ceremony was held on 25 September 2026. Option A names INS Shivalik and INS Kadmatt, which belong to the same navy and have deployed for other overseas exercises, but neither was sent to Subic Bay this time. Option C names a destroyer and a frigate that were not part of this deployment either. Option D names two Talwar class frigates based on the western seaboard, again not the ships involved. For the examination the safe habit is to remember the ship along with its type, since a question often asks which stealth frigate or which corvette took part rather than simply naming the ships.
Which navy hosted the ADMM-Plus maritime security joint cooperation activity, and which country co-chaired it?
- A.Indonesian Navy, with Australia as co-chair
- B.Philippine Navy, with Japan as co-chair
- C.Vietnam Peoples Navy, with India as co-chair
- D.Royal Thai Navy, with the Republic of Korea as co-chair
Show answer
Correct answer: B. Philippine Navy, with Japan as co-chair
Explanation
The correct answer is the Philippine Navy, with Japan as co-chair. The activity opened at Naval Operating Base Subic on 21 September 2026 with the Philippine Navy as host, and Japan shared the chair of this Experts Working Group session on maritime security. Option A puts the Indonesian Navy in the host role with Australia co-chairing, which is plausible because both are active in ADMM-Plus work, but neither role matches this activity. Option C suggests Vietnam as host and India as co-chair, and while India took part with two warships it was a participant, not the co-chair. Option D names Thailand and the Republic of Korea, neither of which held these roles. Aspirants should note the pairing of host and co-chair because ADMM-Plus working groups are always run by two countries together, and that pairing changes from cycle to cycle.
The MAHASAGAR vision, under which India framed this deployment, stands for which of the following?
- A.Maritime Highway for Security and Growth Across Regions
- B.Mutual and Holistic Advancement for Security and Growth Across Regions
- C.Maritime Alliance for Harmony, Security and Growth in Asian Regions
- D.Mission for Advancement of Harbours, Shipping and Growth Across Regions
Show answer
Correct answer: B. Mutual and Holistic Advancement for Security and Growth Across Regions
Explanation
The correct answer is Mutual and Holistic Advancement for Security and Growth Across Regions. The Ministry of Defence placed the participation of INS Sahyadri and INS Kulish at Subic Bay within the Act East Policy and within this MAHASAGAR vision, which describes how India wants security and growth to advance together across the wider maritime neighbourhood. Option A, Maritime Highway for Security and Growth Across Regions, borrows the ending of the real expansion and is the kind of near miss that catches a candidate who has learnt only half the phrase. Option C invents an alliance, and India describes MAHASAGAR as a vision rather than an alliance. Option D turns it into a ports and shipping mission, which is a different subject altogether. Learn the expansion word for word, because acronym questions are graded on the exact words.
Frequently Asked Questions
Which Indian Navy ships took part in the ADMM-Plus maritime security activity at Subic Bay?
INS Sahyadri, a frontline stealth frigate, and INS Kulish, a missile corvette. They joined the 23rd Experts Working Group activity hosted by the Philippine Navy, with Japan as co-chair, and the closing ceremony was on 25 September 2026.
What does MAHASAGAR stand for?
Mutual and Holistic Advancement for Security and Growth Across Regions. India placed its participation in the Subic Bay activity within this vision and within the Act East Policy.
What was done during the sea phase?
The navies ran coordinated serials in search and rescue, hydrographic survey, casualty and medical evacuation, deck landing qualification and assistance to a vessel aground, all aimed at better coordination and interoperability at sea.
Sources
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