Why in news?
INS Nistar has participated in the multinational Exercise Pacific Reach 2025 in Singapore, engaging in submarine rescue exercises and expert exchanges with over 40 nations.
 
Key points about INS Nistar:

• India’s first indigenously designed and constructed Diving Support Vessel (DSV).
• The vessel serves as the "Mother Ship" for deep submergence rescue vessels to rescue personnel from distressed submarines underwater.
• Length: Approximately 118–120 meters
• Displacement: Over 10,000 tons
• Endurance: Over 60 days at sea
• Diving Depth: Saturation diving up to 300 meters, with additional shallow diving capability to 75 meters
• Equipped with state-of-the-art diving equipment such as Remotely Operated Vehicles (ROVs) capable of 1000 meters depth, self-propelled hyperbaric lifeboat, and diving compression chambers.
• High indigenous content of over 75-80%, involving participation from 120+ MSMEs, aligning with the Atmanirbhar Bharat initiative.
• Cost: Approximate project cost Rs 2,393 crore.

Strengthens India’s underwater warfare, maritime rescue, humanitarian assistance, disaster relief capacity, and deep-sea operational capability, also positioning India as a preferred submarine rescue partner in the region.

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