Indian Navy to Commission Third Indigenous Anti-Submarine Warship Mangrol in Mumbai
The Indian Navy is set to commission Mangrol, its third indigenous Anti-Submarine Warfare Shallow Water Craft (ASW-SWC), at the Naval Dockyard in Mumbai on October 12, 2026. Built by Cochin Shipyard Limited in Kerala, the vessel is designed specifically to detect and counter underwater threats in coastal waters where larger frontline warships experience operational and acoustic limitations.
The first three ships in this series shall bear the name INS Mahe, INS Malvan & INS Mangrol upon commissioning into the Indian Navy.
The commissioning ceremony will be presided over by Vice Admiral Sanjay Vatsayan, Flag Officer Commanding-in-Chief of the Western Naval Command. The event will draw senior defense officials, Ministry of Representatives, Cochin Shipyard executives, naval veterans, and representatives from indigenous sensor and weapons manufacturers.
Commissioning the warship enables rapid naval deployment across the Arabian Sea to safeguard India's 2.3 million square kilometer Exclusive Economic Zone.
Indigenous Technology and Sensor Suites
Constructed with over 80 percent indigenous content under the national Make in India and Aatmanirbhar Bharat frameworks, the warship integrates advanced domestically developed combat systems. Among its primary detection assets is the Abhay Hull-Mounted Sonar, a low-frequency active towed array and acoustic system tailored for high-reverberation shallow-water environments where visibility is severely constrained.
For engagement capabilities, the vessel carries lightweight torpedoes and an indigenous anti-submarine rocket launcher. Defense architecture also incorporates the Maareech Advanced Torpedo Decoy System, which utilizes active acoustic decoys to detect, classify, and divert incoming hostile torpedoes away from the platform.
Propulsion, Mission Flexibility and Legacy
Propulsion is driven by three high-performance diesel engines coupled with waterjet systems, providing exceptional maneuverability and high operating speeds in confined harbor approaches and shallow coastal zones. The craft is equipped to operate alongside maritime patrol aircraft, helicopters, and larger fleet units to secure strategic ports, harbors, and offshore installations such as Bombay High.
Beyond primary anti-submarine patrols, the vessel is configured for underwater surveillance, Low-Intensity Maritime Operations, mine countermeasure support, and search-and-rescue tasks. Named after a prominent fishing harbor and coastal town in Gujarat's Junagadh district, the ship revives the legacy of the erstwhile INS Mangrol, an Agray-class minesweeper that served the naval fleet until April 2004.
How to assess an anti-submarine vessel's role
Commissioning an indigenous warship adds a platform to the Navy's fleet, but operational readiness is built through crew training, systems integration, maintenance and exercises after a ceremony. Anti-submarine warfare involves sensors, weapons and coordination with aircraft and other vessels; the ship's value cannot be reduced to its displacement or construction origin. Readers should distinguish capabilities announced for a class from those verified aboard the individual commissioned ship. Long-term importance will depend on deployment readiness and the Navy's ability to sustain the new class.