·PIB

DELIVERY OF SECOND INDIGENOUS DIVING SUPPORT VESSEL - ‘NIPUN’

In this note
  1. At a Glance
  2. Why in the News
  3. Background & Evolution
  4. Core Static Facts
  5. Multi-Dimensional Analysis
  6. Recent Developments (last 12-18 months)
  7. Prelims Hooks
  8. Mains Relevance
  9. Related Topics to Study Next
  10. Common Errors / Trap Areas

1. At a Glance

  • ‘Nipun’ is the second Diving Support Vessel (DSV) built indigenously by Hindustan Shipyard Limited (HSL), delivered to the Indian Navy on 30 July 2026 at Visakhapatnam [1].
  • Specialised for deep-sea diving and rescue operations at sea, including Deep Sea Saturation Diving [1].
  • Sister ship of INS Nistar — together the two DSVs anchor India's indigenous submarine-rescue and deep-sea diving capability under Aatmanirbhar Bharat [2][3].
  • Relevant for Prelims (defence indigenisation current affairs) and Mains GS-III (defence production, indigenisation).

2. Why in the News

  • ‘Nipun’ was delivered to the Indian Navy on 30 July 2026 at Visakhapatnam, built by HSL per Indian Register of Shipping (IRS) classification rules — the immediate trigger for this PIB release [1].

3. Background & Evolution

  • Both DSVs — ‘Nistar’ (Yard 11190) and ‘Nipun’ (Yard 11191) — were launched together on 22 September 2022 at HSL, Visakhapatnam [2].
  • ‘Nistar’, the first indigenous DSV, was delivered to the Navy and subsequently commissioned as INS Nistar in Vizag [3].
  • ‘Nipun’ follows as the second vessel of the class, delivered on 30 July 2026 [1].
  • Genesis: replacement for ageing diving support/submarine rescue assets, part of the Navy's push for indigenous submarine rescue and deep-sea diving infrastructure.

4. Core Static Facts

  • Vessel name: ‘Nipun’ (Sanskrit — "one who is adept, capable, and well versed in a particular discipline") [1].
  • Type: Diving Support Vessel (DSV), 2nd of the class [1].
  • Builder: Hindustan Shipyard Limited (HSL), Visakhapatnam [1].
  • Classification: Built per Indian Register of Shipping (IRS) rules [1].
  • Delivered to: Indian Navy, on 30 July 2026, at Visakhapatnam [1].
  • Capabilities: State-of-the-art Dive Equipment; Deep Sea Saturation Diving; side diving stage; Remotely Operated Vehicles (ROVs) for diver monitoring and salvage [1].
  • Class specifications (from sister ship Nistar-class launch data): length ~118.4 m, beam ~22.8 m, displacement ~9,350 tonnes; includes Deep Submergence Rescue Vessel (DSRV) support [2].
  • Indigenous content: ~75% Indigenous Content, aligned with Aatmanirbhar Bharat in defence shipbuilding [1].
  • Parent ministry: Ministry of Defence [1].

5. Multi-Dimensional Analysis

Strategic/Security

  • Enhances India's independent submarine rescue capability, reducing reliance on foreign DSRV support in emergencies.
  • Strengthens deep-sea salvage and diving operations across the Indian Ocean Region (IOR), supporting India's role as a "net security provider."

Scientific/Technological

  • Demonstrates indigenous capability in saturation diving systems, ROV integration, and complex naval vessel design — high-end shipbuilding technology previously import-dependent.

Economic

  • Boosts domestic defence shipbuilding ecosystem (HSL) and ancillary industries; supports "Make in India" in defence manufacturing with ~75% indigenous content [1].

Governance/Administrative

  • Reflects coordinated execution between Ministry of Defence, Indian Navy, and a public sector shipyard (HSL) from design to delivery.

6. Recent Developments (last 12-18 months)

  • 22 Sep 2022: ‘Nistar’ and ‘Nipun’ launched together at HSL, Vizag [2].
  • 2025: ‘Nistar’ delivered to Indian Navy and later commissioned as INS Nistar [3].
  • 2025-26: INS Nistar participated in international exercises (e.g., Exercise Pacific Reach 2025 at Changi Naval Base, Singapore) — indicating operational deployment of the class.
  • 30 July 2026: ‘Nipun’, the second DSV, delivered to Indian Navy at Visakhapatnam [1].

7. Prelims Hooks

  • ‘Nipun’ delivered to Indian Navy on 30 July 2026 at Visakhapatnam.
  • Built by Hindustan Shipyard Limited (HSL).
  • ‘Nipun’ is the second Diving Support Vessel; first was ‘Nistar’.
  • Both vessels launched together on 22 September 2022.
  • Name ‘Nipun’ is Sanskrit for "one who is adept, capable, and well versed in a particular discipline."
  • Built per Indian Register of Shipping (IRS) classification rules.
  • Capable of Deep Sea Saturation Diving.
  • Equipped with Remotely Operated Vehicles (ROVs) for diver monitoring/salvage.
  • Has a side diving stage for diving operations.
  • Nistar-class DSVs: length ~118.4 m, beam ~22.8 m, displacement ~9,350 tonnes.
  • Indigenous content of the vessel: ~75%.
  • Nistar-class DSVs also support Deep Submergence Rescue Vessel (DSRV) operations.
  • Administering ministry: Ministry of Defence.

8. Mains Relevance

9. Related Topics to Study Next

  • INS Nistar — first vessel of the same class; foundational case for this topic.
  • Aatmanirbhar Bharat in Defence — broader policy framework driving indigenous shipbuilding.
  • Deep Submergence Rescue Vessel (DSRV) — associated submarine rescue technology.
  • Indian Register of Shipping (IRS) — classification body relevant to naval/merchant shipbuilding standards.
  • Indian Navy's Indigenisation Roadmap / Defence Production and Export Promotion Policy — policy context for such projects.
  • Hindustan Shipyard Limited (HSL) — PSU shipyard, ownership transfer history (from Ministry of Shipping to Ministry of Defence in 2010).
  • India's Net Security Provider role in Indian Ocean Region (IOR) — strategic context.
  • Exercise Pacific Reach — multilateral submarine rescue exercise involving INS Nistar.

10. Common Errors / Trap Areas

  • Confusing ‘Nistar’ (first) with ‘Nipun’ (second) DSV — remember launch order and delivery sequence.
  • Assuming HSL is under Ministry of Shipping — it was transferred to Ministry of Defence in 2010.
  • Conflating "delivery" (handover to Navy) with "commissioning" (formal induction as INS) — these are distinct events/dates.
  • Assuming DSV is same as a submarine — it's a support/rescue vessel, not a submarine.
  • Mixing up displacement/dimension figures with other Navy vessels of similar names.

Sources

  1. 1DELIVERY OF SECOND INDIGENOUS DIVING SUPPORT VESSEL - 'NIPUN'pib.gov.in · tier 1
  2. 2MRS KALA HARI KUMAR LAUNCHES (YARD 11190 - NISTAR) & (YARD 11191 - NIPUN), DIVING SUPPORT VESSELS AT HINDUSTAN SHIPYARD LTD, VISAKHAPATNAM ON 22 SEP 22pib.gov.in · tier 1
  3. 3INS Nistar, first indigenously designed & constructed Diving Support Vessel, commissioned in Vizagpib.gov.in · tier 1

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