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'Nipun', India's SECOND indigenous Diving Support Vessel (DSV), built by Hindustan Shipyard Limited (a Ministry of Defence PSU, Visakhapatnam), was delivered to the Indian Navy on 30 July 2026 at Visakhapatnam, built to Indian Register of Shipping (IRS) classification rules.
The vessel is capable of Deep Sea Saturation Diving, carries Remotely Operated Vehicles (ROVs) for salvage/diver monitoring, and will serve as the Mother Ship for the Deep Submergence Rescue Vessel (DSRV) for submarine-emergency personnel evacuation.
Nipun's delivery achieved nearly 75% indigenous content, following the first-of-class DSV 'Nistar' (delivered 2025) — both part of the Navy's push for indigenous deep-sea rescue/salvage capability under Aatmanirbhar Bharat.
Ministry of Defence PSU shipbuilder; designed and constructed both Nistar and Nipun DSVs
India's own ship classification society; sets the construction/classification rules Nipun was built to
A Diving Support Vessel like Nipun doesn't just support divers — it also serves as the launch platform ('Mother Ship') for the Deep Submergence Rescue Vessel (DSRV), a mini-submarine that can dock onto a distressed submarine underwater and evacuate trapped crew. This makes DSVs a critical link in India's submarine-rescue capability chain, not merely a diving-support asset.
Simple Analogy: The DSV is the mothership that carries and deploys the actual rescue submarine to where a stricken submarine lies on the seabed
GS Paper 3 > Defence > Indigenous Shipbuilding
Low-moderate — indigenous naval shipbuilding milestones recur periodically
Deep Submergence Rescue Vessel — evacuates personnel from a distressed submarine; launched from a DSV 'mother ship' like Nipun