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India’s quest for self-reliance in defence received a major boost with the Defense Research and Development Organisation’s (DRDO) High Energy Materials Research Laboratory (HEMRL) taking up the crucial task of developing an Anti-Sonar Decoy for the Indian Navy’s Kalvari Class submarines. This strategic move, announced during the recent ‘SWAVLAMBAN – 2023’ Naval Innovation and Indigenisation International Seminar, underscores the government’s commitment to empowering domestic defence capabilities.

Modern submarines rely heavily on stealth to navigate hostile waters undetected. However, their greatest nemesis is sonar technology, which can reveal their location and movements. Anti-Sonar Decoys play a vital role in countering this threat. These intelligent devices mimic the acoustic signature of submarines, confusing enemy sonar systems and providing precious time for the real submarine to evade detection and engage in countermeasures.

The Kalvari Class submarines, built under Project-75 at Mazagon Dock Shipyard and Equipped with domestically developed Anti-Sonar Decoys not only strengthen their capabilities but also contribute to India’s strategic autonomy in the maritime domain.

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