On July 18, 2025, in Visakhapatnam, the Indian Navy ceremoniously commissioned its first indigenously designed and built Diving Support Vessel (DSV)—INS Nistar—at the Naval Dockyard. The event, attended by Raksha Rajya Mantri Sanjay Seth and Navy Chief Admiral Dinesh K Tripathi, marks a significant milestone for India’s maritime and defence self-reliance.
🏗️ Designed & Built in India – A Homegrown Triumph
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Builder: Hindustan Shipyard Limited (HSL), Visakhapatnam
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Indigenous Content: Over 80% of systems sourced from Indian industry, including 120 MSMEs
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Construction Timeline:
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Keel laid: Dec 28, 2019; second hull Mar 23, 2020
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Launched: Sep 22, 2022; maiden sea trials: May 27, 2024
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Delivered to Navy: July 8, 2025
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- Significance: Reflects India's ambition under Aatmanirbhar Bharat and Make-in-India to produce complex defence platforms domestically, enhancing strategic independence.
📏 Key Specifications
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Length: ~118 m
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Displacement: ~10,000–10,500 tonnes
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Diving Systems:
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Saturation diving to 300 m depth
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Side diving stage for operations down to 75 m
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Submarine Rescue Capability:
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Serves as ‘mother ship’ for Deep Submergence Rescue Vehicle (DSRV)
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Equipped with Remotely Operated Vehicles (ROVs) for diver monitoring and salvage to 1,000 m depth
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- Legacy Name: Carries forward the legacy of the ex-INS Nistar (commissioned 1971; decommissioned 1989) that participated in locating the Pakistani submarine Ghazi during the 1971 war.
🎖️ Operational Role
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Deep-Sea Diving Operations
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Supports complex underwater repairs, installations, and surveys at great depths.
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Submarine Rescue Missions
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Rapid deployment of DSRVs, enabling life-saving rescues during submarine distress.
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Boosts India’s status among global navies capable of indigenous submarine rescue.
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🧭 Strategic & Policy Significance
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Positions India as a key partner in global submarine rescue operations.
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Strengthens defence industrial base by integrating MSMEs.
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Enhances regional maritime safety, underlining India's leadership in underwater rescue.
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Acts as a policy exemplar for questions on internal security, defence manufacturing, Aatmanirbhar Bharat, and Make-in-India.
⚬ UPSC & Defence Competitive Exam Relevance
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Prelims (GK): Learn specific facts—commission date, builder, indigenous content details.
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Mains GS III: Discuss India’s maritime infrastructure, defence capability, MSME integration, and technology indigenization.
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Essay/Current Affairs: Evaluate Make-in-India in defence, India's rising naval stature.
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Ethics and Governance: Exemplifies public–private collaboration, quality in indigenous initiatives.
The INS Nistar represents a leap forward in India’s maritime self-reliance. Not merely a naval asset, it serves as a symbol of engineering prowess, national defence capacity, and global diplomatic stature. A must-know for every student eyeing competitive exams!
📍 Stay updated on current affairs, defence analyses, and exam-relevant GK with StudentPatrika.com!
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