INS Mangrol: Third Indigenous Anti-Submarine Warfare Shallow Water Craft

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Key takeaways

Cochin Shipyard Limited delivered Mangrol, the third indigenously built Mahe-class Anti-Submarine Warfare Shallow Water Craft, to the Indian Navy.
Named after the port town of Mangrol in Gujarat's Junagadh district, the vessel contains over 80% indigenous components.
The 78-metre long craft achieves speeds up to 25 knots using waterjet propulsion, which reduces acoustic noise for stealth in shallow waters.
Armed with RBU-6000 rocket launchers and 324 mm torpedo tubes, it tracks and destroys enemy submarines using DRDO-developed sonar systems.

The Indian Navy received Mangrol, the third indigenously built Anti-Submarine Warfare Shallow Water Craft (ASW-SWC).
Cochin Shipyard Limited (CSL) built this new vessel at its facility in Kochi.

Mangrol is the third vessel built under the Mahe-class series of shallow water combat ships.
It is a compact and stealthy warship designed to track and eliminate underwater threats in shallow coastal waters where large ships cannot operate easily.
Cochin Shipyard Limited is building eight such vessels under a contract with the Ministry of Defence.
The warship reflects strong self-reliance with over 80% indigenous components and systems.
It gets its name from the coastal fishing port of Mangrol in Gujarat's Junagadh district, honoring the old INS Mangrol minesweeper decommissioned in 2004.

The vessel provides multi-role combat strength to conduct anti-submarine operations, underwater surveillance, mine warfare, and Low-Intensity Maritime Operations (LIMO) across India's Exclusive Economic Zone (EEZ).

It uses three marine diesel engines connected to high-efficiency waterjets instead of traditional propellers, lowering acoustic noise to avoid enemy sonar detection.
The warship measures 78 metres in length with a displacement of 896 to 1,100 tonnes, achieving speeds up to 25 knots and a range of 1,800 nautical miles over 14 days of endurance.
For sub-hunting, it carries an RBU-6000 anti-submarine rocket launcher, 324 mm lightweight torpedo tubes, and advanced decoy systems.
Its sensor suite features DRDO-developed hull-mounted sonars, Low-Frequency Variable Depth Sonar (LFVDS), and an integrated combat management system.
For surface defense, it carries a 30 mm naval gun and two 12.7 mm stabilized remote-controlled guns (SRCGs) to target fast craft, drones, and air threats.