INDIAN NAVY SET TO COMMISSION SECOND INDIGENOUS DIVING SUPPORT VESSEL 'NIPUN'

1. At a Glance

• INS Nipun is the second vessel of India's first indigenously designed and built Diving Support Vessel (DSV) class — the Nistar-class — constructed by Hindustan Shipyard Limited (HSL), Visakhapatnam for the Indian Navy [1][2].
• Marks continuity of India's Aatmanirbharta (self-reliance) push in naval shipbuilding, following the commissioning of the lead ship INS Nistar in July 2025 [3].
• DSVs give the Navy an indigenous deep-sea saturation diving and submarine rescue support capability, previously held by only a handful of global navies [1].
• High-value for Prelims (ship specs/dates) and Mains GS-III (defence indigenisation, Aatmanirbhar Bharat in defence manufacturing).

2. Why in the News

• Indian Navy announced it is set to commission the second indigenous Diving Support Vessel 'Nipun', per the PIB release referenced by the user (PRID=2303091) [User-source].
• This follows the delivery of Nipun from HSL to the Navy, reported around 30 July 2026 [1].
• Comes roughly a year after sister ship INS Nistar's commissioning on 18 July 2025 [3].

3. Background & Evolution

• 22 September 2022: Both DSVs — Yard 11190 (Nistar) and Yard 11191 (Nipun) — were launched together at HSL, Visakhapatnam, by Mrs Kala Hari Kumar, in presence of then-CNS Admiral R. Hari Kumar [2][4].
• Project executed under Ministry of Defence / Indian Navy, built at Hindustan Shipyard Ltd (a Miniratna Defence PSU under MoD) [2].
• 18 July 2025: INS Nistar, the first-of-class, commissioned at Visakhapatnam in presence of Raksha Rajya Mantri [3].
• 30 July 2026 (approx.): Delivery of second vessel Nipun to the Navy reported, ahead of commissioning [1].
• Predecessor capability: Navy earlier relied on vessels like ONGC/foreign-chartered DSVs or older support ships; the Nistar-class is the first indigenously designed and constructed DSV class.

4. Core Static Facts

Parameter	Detail
Class	Nistar-class Diving Support Vessel
Builder	Hindustan Shipyard Limited (HSL), Visakhapatnam
Ships in class	INS Nistar (1st), INS Nipun (2nd)
Length	118.4 metres
Beam (broadest point)	22.8 metres
Displacement	~9,350 tonnes
Launch date (both)	22 September 2022
Nistar commissioning	18 July 2025
Role	Deep-sea saturation diving, submarine rescue support, self-sustained prolonged sea operations
Owning service	Indian Navy
Nodal ministry	Ministry of Defence
[1][2][3]

5. Multi-Dimensional Analysis

Strategic/Geopolitical

• Strengthens Indian Navy's Submarine rescue and deep-sea intervention capability in the Indian Ocean Region (IOR), reducing dependence on foreign-operated DSVs [1].
• INS Nistar has already been deployed for regional engagement, e.g., entering Changi Naval Base, Singapore for Exercise Pacific Reach 2025, showcasing IOR outreach [5].

Scientific/Technological

• Indigenous design integrates saturation diving systems, a technically complex capability held by very few navies worldwide [1].

Economic

• Built domestically by a Defence PSU (HSL), supporting India's defence shipbuilding industrial base and associated ancillary/MSME supply chains.

Governance/Administrative

• Reflects Aatmanirbhar Bharat in defence manufacturing — indigenous design + indigenous construction, cited explicitly in PIB releases on this class [2].

6. Recent Developments (last 12-18 months)

• 18 July 2025: INS Nistar commissioned at Visakhapatnam [3].
• 2025 (subsequent): INS Nistar sails to Singapore for Exercise Pacific Reach 2025, a submarine rescue interoperability exercise [5].
• 30 July 2026: Delivery of second DSV Nipun to Indian Navy reported [1].
• 2026: PIB release "Indian Navy set to commission second indigenous Diving Support Vessel 'Nipun'" issued ahead of commissioning ceremony (user-supplied source, PRID=2303091).

7. Prelims Hooks

• Nistar-class is India's first indigenously designed and constructed Diving Support Vessel class.
• Builder: Hindustan Shipyard Limited, Visakhapatnam.
• Both class ships — Nistar and Nipun — were launched together on 22 September 2022.
• Yard numbers: Nistar = Yard 11190; Nipun = Yard 11191.
• Length: 118.4 m; Beam: 22.8 m; Displacement: ~9,350 tonnes.
• INS Nistar (first-of-class) commissioned on 18 July 2025.
• DSVs are designed for deep-sea saturation diving and submarine rescue operations.
• INS Nistar participated in Exercise Pacific Reach 2025 at Changi Naval Base, Singapore.
• HSL is a Miniratna Central Public Sector Undertaking under the Ministry of Defence.
• The DSV programme is cited as a flagship example of Aatmanirbharta in Indian naval shipbuilding.

8. Mains Relevance

• GS-III: Indigenisation of technology and developing new technology; Awareness in the fields of Defence.
• GS-III: Science and Technology developments and their applications in defence.
• Possible question stems:
• "Discuss the significance of indigenous Diving Support Vessels for India's submarine rescue and undersea capabilities in the Indian Ocean Region." (GS-III, 15m)
• "Aatmanirbhar Bharat in defence shipbuilding has moved from aspiration to demonstrated capability. Discuss with recent examples." (GS-III, 10m)
• "Examine the strategic importance of submarine rescue capability for a blue-water navy." (GS-III, 10m)

9. Related Topics to Study Next

• Aatmanirbhar Bharat in Defence Manufacturing — broader policy umbrella under which this indigenisation falls.
• Indian Submarine Fleet (Kalvari-class, Arihant-class) — DSVs directly support submarine rescue for these platforms.
• Hindustan Shipyard Limited (HSL) — the executing PSU, its role in warship/vessel construction.
• Exercise Pacific Reach — multilateral submarine rescue interoperability exercise involving IOR/Indo-Pacific navies.
• Indian Navy's indigenisation drive — other recent commissions (INS Nilgiri, Surat, Vaghsheer, Androth) for comparative context.
• Defence Acquisition Procedure (DAP) 2020 — procurement framework enabling indigenous builds.
• Blue Water Navy concept — doctrinal context for why deep-sea rescue capability matters.

10. Common Errors / Trap Areas

• Do not confuse INS Nipun (Diving Support Vessel) with NIPUN — Naval Intellectual Portal for Unified Knowledge, an unrelated Navy knowledge-portal launched around the Naval Commanders' Conference 2025/2026 [6] — a genuine name-clash trap.
• Do not confuse Nistar-class DSVs with the earlier Diving Support Craft 'DSC A20', a smaller, separate platform also commissioned by the Navy [7].
• Builder is Hindustan Shipyard Limited (HSL), not Mazagon Dock or Garden Reach Shipbuilders — a common ministry/PSU mix-up.
• Nistar and Nipun were launched on the same day (22 Sep 2022) but commissioned separately, roughly a year apart — do not conflate launch date with commissioning date.
• "Indigenously designed and constructed" — remember both design and build were domestic, distinguishing this from license-built or foreign-designed vessels.