Why in news?
INS Kadmatt completed a successful three-day port call at Surabaya, Indonesia, in August 2025. This visit was part of efforts to strengthen the long-standing maritime partnership between India and Indonesia under the shared vision of "Partnership Across Sea."
 
About INS Kadmatt
 
INS Kadmatt (P29) is an indigenous stealth anti-submarine warfare (ASW) corvette of the Indian Navy, the second of four such corvettes built under Project 28 by Garden Reach Shipbuilders and Engineers (GRSE), Kolkata. It was commissioned on January 7, 2016, and is part of the Eastern Naval Command. The ship is named after Kadmat Island in India's Lakshadweep Islands.
 
Design and Features

• Mainly designed for anti-submarine warfare to protect convoys and ports from enemy submarines.
• Around 90% indigenous design and construction, using high-grade Indian steel (DMR 249A).
• Equipped with low radiated underwater noise to avoid detection.
• Armaments include an OTO Melara 76mm main gun, AK-630 guns, and provisions for Barak 1 surface-to-air missiles (to be added later), heavyweight torpedo tubes, and rocket depth-charge launchers.
• Advanced sensors include a bow-mounted sonar (Humsa-NG), indigenous 3D-CAR air-surveillance radar Revathi, underwater sensors, and integrated communication and electronic warfare systems.
• Features stealth technologies such as an X-shaped hull, raft-mounted engines, and an infrared suppression system.
• The ship can operate in nuclear, biological, and chemical war environments.
• Capable of embarking a Sea King anti-submarine helicopter.

Service and Operations

• Participated in exercises like Malabar 2024.
• Completed recent port calls, such as a three-day visit to Surabaya, Indonesia, enhancing regional naval cooperation.
• Led a mobile Fleet Review at Papua New Guinea's 50th Independence Day celebrations in September 2025.
• Reinforces India’s maritime security presence and interoperability with Indo-Pacific navies.

Project 28 Context

• Kamorta-class corvettes (Project 28) aim at indigenously built anti-submarine warfare vessels to succeed older classes.
• Four ships in the class: INS Kamorta, INS Kadmatt, INS Kiltan, and INS Kavaratti.
• The class emphasizes stealth, indigenous design, and advanced warfare systems.
• INS Kadmatt stands out as a sophisticated frontline warship of the Indian Navy, representing India's stride in indigenous naval capabilities and anti-submarine warfare readiness.

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