Platform profile · India · Anti-submarine warfare corvette · Indian Navy
Kamorta-class
StableThe fully delivered four-ship class remains operationally active, with INS Kavaratti completing an Eastern Fleet port call at Singapore on 5 July 2026.
On 5 July 2026, INS Kavaratti concluded a three-day port call at Changi Naval Base with INS Udaygiri and INS Shakti, after calls at Sattahip on 29 June and Ho Chi Minh City on 24 June during an Eastern Fleet deployment to Southeast Asia. In 2025, Kavaratti exercised with Indonesia in Samudra Shakti and fired 17 indigenous Extended Range Anti-Submarine Rockets during successful user trials. Project 28 comprises four Indian-built stealth corvettes specialized for detecting and attacking submarines while operating helicopters and modern sensors. Their sustained eastern deployment gives India both submarine-hunting capacity and a visible naval presence across the Bay of Bengal, South China Sea and approaches to the Malacca Strait.
Updated 5 Jul 2026
Verified figures
Specifications
| Specification | Value |
|---|---|
| Length overall | 109 m ↗ |
| Beam | 14.17 m ↗ |
| Displacement | Approx. 3,250 t ↗ |
| Propulsion | CODAD with 4 × Pielstick 12 PA6 STC diesel engines ↗ |
| Installed propulsion power | 4 × 3,888 kW at 1,050 rpm ↗ |
| Maximum speed | 25 kn ↗ |
| Endurance | More than 3,400 nmi at 18 kn ↗ |
| Complement | 17 officers plus 106 sailors ↗ |
| Armament | 1 × 76 mm SRGM; 2 × 30 mm AK-630M CIWS; 2 × RBU-6000 ASW rocket launchers; torpedo tubes ↗ |
| Sensors | Revati 3D surveillance radar, EL/M-2221 STGR fire-control radar and NPOL HUMSA hull-mounted sonar ↗ |
Spec sources: grse.in ↗ · grse.in ↗ · armyrecognition.com ↗
Changelog
Program timeline
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INS Kavaratti, INS Udaygiri and INS Shakti concluded a three-day operational-deployment port call at Changi Naval Base, Singapore.
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INS Kavaratti, INS Udaygiri and INS Shakti departed Sattahip after professional and operational interactions with the Royal Thai Navy.
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INS Kavaratti and INS Udaygiri departed Ho Chi Minh City after bilateral activities with the Vietnam People's Navy during their Southeast Asian deployment.
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INS Kavaratti began the fifth Samudra Shakti exercise at Visakhapatnam with Indonesian corvette KRI John Lie, with harbour and sea phases running from 14-17 October.
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INS Kadmatt arrived at Suva, Fiji, for a goodwill visit during a three-month operational deployment.
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INS Kiltan completed an India-Philippines bilateral exercise off Manila whose 3-4 August sea phase included anti-air, anti-surface and anti-submarine drills.
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INS Kavaratti completed Extended Range Anti-Submarine Rocket user trials after 17 rockets were evaluated at different ranges between 23 June and 7 July.
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INS Kavaratti, the fourth and final Project 28 corvette, was commissioned at the Naval Dockyard in Visakhapatnam.
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INS Kiltan, the third Project 28 anti-submarine warfare corvette, was commissioned at Visakhapatnam.
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INS Kadmatt, the second Project 28 anti-submarine warfare corvette, was commissioned at Visakhapatnam.
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INS Kamorta, the first of four Project 28 stealth anti-submarine warfare corvettes, was commissioned at Visakhapatnam.
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