India Sri Lanka Naval Exercise and Maritime Security Cooperation
Source:The Hindu ↗

Why It Matters
Demonstrates India's proactive role as a net security provider and first responder in the Indian Ocean Region, highlighting soft power initiatives like Aarogya Maitri and strategic frameworks like the MAHASAGAR vision.
Summary
The fourth edition of the bilateral diving exercise IN-SLN DIVEX 2026 was conducted in Colombo, strengthening maritime cooperation and interoperability between the Indian and Sri Lankan navies. The exercise featured the deployment of INS Nireekshak and the first-ever overseas use of BHISM cubes for medical preparedness under the Aarogya Maitri initiative. The engagement reinforces India's MAHASAGAR vision for the Indian Ocean Region and its 'Neighbourhood First' policy, while also honoring shared history at the IPKF Memorial.
Key Points
- The fourth edition of the India-Sri Lanka bilateral diving exercise, IN-SLN DIVEX 2026, concluded in Colombo, enhancing maritime interoperability.
- INS Nireekshak, an Indian Diving Support and Submarine Rescue Vessel, participated in joint dives with the Sri Lankan Navy, exploring World War-era shipwrecks SS Worcester and SS Perseus.
- The exercise marked the first overseas deployment of BHISM (Bharat Health Initiative for Sahyog, Hita and Maitri) cubes, providing a modular medical facility under the Aarogya Maitri initiative.
- The collaboration aligns with India's MAHASAGAR vision (Mutual and Holistic Advancement for Security and Growth Across Regions) and the 'Neighbourhood First' policy.
- Indian naval personnel paid respects at the Indian Peace Keeping Force (IPKF) Memorial in Colombo, honoring the shared historical military ties.
Important Terms
IN-SLN DIVEX 2026
A bilateral naval diving exercise between the Indian and Sri Lankan navies focused on advanced underwater salvage, search, and rescue operations to enhance maritime interoperability.
UPSC context
GS Paper II/III: Bilateral military exercises; maritime security in the Indian Ocean Region (IOR).
Aarogya Maitri
A humanitarian initiative launched by PM Modi to provide essential medical supplies and healthcare support to developing nations (Global South) during natural disasters or crises.
UPSC context
GS Paper II: India’s soft power diplomacy and leadership in the Global South.
BHISM Cube
The world's first portable, modular 'mini-hospital' cubes designed for rapid deployment; equipped to treat up to 200 patients with OT and ICU facilities.
UPSC context
GS Paper III: Disaster Management; indigenous innovation in medical technology and HADR (Humanitarian Assistance and Disaster Relief).
MAHASAGAR vision
'Maritime Heads for Active Security And Growth for All in the Region' is an Indian Navy outreach initiative for high-level interaction among IOR littoral leaders.
UPSC context
GS Paper II: Strategic importance of the Indian Ocean; collective maritime security frameworks.
Neighbourhood First policy
A core foreign policy tenet prioritizing political, economic, and security ties with India's immediate neighbors in South Asia to ensure regional stability.
UPSC context
GS Paper II: India’s foreign policy and its impact on regional relations.
Indian Peace Keeping Force (IPKF)
The Indian military contingent deployed in Sri Lanka (1987–1990) under the Indo-Sri Lanka Accord to enforce peace and disarm militant groups like the LTTE.
UPSC context
GS Paper II: Historical evolution of India-Sri Lanka bilateral relations and security interventions.
Prelims Trap
MAHASAGAR is the overarching 2015 doctrine guiding India's Indian Ocean maritime policy.
SAGAR (2015) is the overarching doctrine. MAHASAGAR is a specific Indian Navy flagship initiative launched recently (2023) for bi-annual high-level IOR engagement.
Static Concepts Connected
What are BHISM cubes and the Aarogya Maitri initiative?
- Aarogya Maitri: A scheme where India provides essential medical supplies to any developing country affected by natural disasters or humanitarian crises.
- BHISM Cubes: Portable, modular state-of-the-art medical facilities capable of handling up to 200 emergency cases in disaster zones.
- Tech Integration: Integrates AI and data analytics to facilitate real-time monitoring and coordination during rapid-response HADR operations.
What was the mandate of the Indian Peace Keeping Force (IPKF) in Sri Lanka?
- 1987 Accord: Formed under the 1987 Indo-Sri Lankan Accord signed by Rajiv Gandhi and J.R. Jayewardene to end the civil war.
- Operation Pawan: The bloody military campaign undertaken by the IPKF to disarm militant groups like the LTTE and secure Jaffna.
Cross-Topic Patterns
HADR tech driving naval diplomacy
Deploying BHISM cubes alongside Indian-built naval vessels highlights India's shift from standard military drills to techno-humanitarian outreach in the Global South.
Distinguishing India's ocean doctrines
Expect match-the-following questions distinguishing Sagarmala (port development), SAGAR (2015 overarching strategic vision), and MAHASAGAR (Indian Navy's 2023 bi-annual IOR dialogue).
Aarogya Maitri's 'BHISM cubes' are prime candidates for a 2026 Prelims Sci/IR question focusing on portable indigenous medical tech.
Linked PYQs · 2
Linked PYQs · 2
- 2022MainsGS2
India is an age-old friend of Sri Lanka.’ Discuss India's role in the recent crisis in Sri Lanka in the light of the preceding statement.
- 2024PrelimsGS1
Which of the following statements about 'Exercise Mitra Shakti-2023' are correct? 1. This was a joint military exercise between India and Bangladesh. 2. It commenced in Aundh (Pune). 3. Joint response during counter-terrorism operations was a goal of this operation. 4. Indian Air Force was a part of this exercise. Select the answer using the code given below :