INS Nireekshak is a specialised Diving Support Vessel of the Indian Navy. It is used for deep-sea diving operations, underwater search, salvage assistance and submarine-rescue related support. The name Nireekshak means “observer” or “inspector”, which reflects the vessel’s role in underwater inspection and diving operations.
Basic Profile
- Service: Indian Navy
- Type: Diving Support Vessel
- Role: Deep diving, underwater search, salvage and submarine-rescue support
- Base: Southern Naval Command, Kochi
- Specialisation: Saturation diving and deep-sea diving operations
INS Nireekshak is not a frontline warship like a destroyer or frigate. Its importance lies in specialised underwater capability.
Major Capabilities
INS Nireekshak supports:
- deep-sea diving operations
- saturation diving
- submarine rescue support
- underwater search and inspection
- salvage operations
- training of naval divers
- recovery of underwater objects
- assistance during maritime accidents
These capabilities are important because underwater rescue and salvage require highly trained divers, pressure chambers, diving systems and specialised equipment.
Saturation Diving
One of the key features associated with INS Nireekshak is saturation diving.
In saturation diving, divers work at great depths for long periods while living in a pressurised environment. This reduces the need for repeated decompression after every dive.
It is useful for:
- deep underwater repairs
- inspection of ship hulls
- recovery operations
- submarine-related support
- underwater engineering work
This makes INS Nireekshak a highly specialised asset in the Indian Navy.
Role in Exercises
INS Nireekshak regularly participates in diving and maritime cooperation exercises.
In IN–SLN DIVEX 2026, the India–Sri Lanka Navy Diving Exercise held in Colombo, INS Nireekshak participated from the Indian Navy side. The exercise focused on underwater search, rescue, salvage and interoperability between Indian and Sri Lankan naval diving teams.
Its participation shows India’s capability to support neighbouring navies in specialised underwater operations.
Strategic Importance
INS Nireekshak is important for India’s maritime security because underwater threats and accidents are becoming more relevant.
It supports:
- submarine safety
- port and harbour security
- underwater inspection of critical assets
- recovery after maritime accidents
- protection of underwater infrastructure
- training and capacity building with friendly navies
In the Indian Ocean, where naval activity, shipping traffic, ports and undersea infrastructure are expanding, such vessels become strategically valuable.
Importance for Regional Cooperation
INS Nireekshak strengthens India’s role as a maritime first responder in the Indian Ocean Region.
It can support friendly countries in:
- diving training
- underwater search operations
- salvage support
- submarine-rescue cooperation
- disaster and accident response
This fits India’s broader maritime vision of SAGAR — Security and Growth for All in the Region.
Conclusion
INS Nireekshak is a specialised Indian Navy Diving Support Vessel. Its value lies not in combat power, but in deep-sea diving, underwater search, salvage and submarine-rescue support.
Its role in exercises such as IN–SLN DIVEX 2026 highlights India’s growing focus on specialised maritime capabilities and naval cooperation with Indian Ocean neighbours.


