← 19 September 2026's Current Affairs · Science & Tech GS-3 Prelims ★★★★☆ Mains ★★★★☆
GRSE launches indigenous ocean research vessel Sagar Manthan
ஏன் செய்தியில்?
Ready only by 2028: the Kolkata PSU shipyard behind India's new ocean research vessel
GRSE launched the indigenous ocean research vessel Sagar Manthan to support India's deep-sea research missions.
Why it matters: GS-3 core; factual, Prelims-type

What you need to know
2 நிமிடம்
Kolkata-based Garden Reach Shipbuilders & Engineers (GRSE) launched 'Sagar Manthan', an indigenously built ocean research vessel meant to support India's deep-sea and marine scientific missions.
The vessel, built at an estimated cost of about ₹840 crore, is expected to be ready for use by early 2028.
ஆதாரங்கள்: Topper IAS editorial (PIB / The Hindu / Indian Express)
முக்கிய உண்மைகள்
Remember these
- Sagar Manthan is an indigenously built ocean research vessel launched by Garden Reach Shipbuilders & Engineers (GRSE)
- GRSE is a Kolkata-based defence public sector shipyard
- Estimated cost of the vessel is about ₹840 crore
- The vessel is expected to be ready for use by early 2028
- Sagar Manthan is meant to support India's deep-sea and marine scientific missions
ப்ரிலிம்ஸ் · மெயின்ஸ்
How the exam will ask it
ப்ரிலிம்ஸ்
- Sagar Manthan is an indigenously built ocean research vessel launched by Garden Reach Shipbuilders & Engineers (GRSE).
- GRSE is headquartered in Kolkata and is a defence public sector shipyard under the Ministry of Defence.
- The vessel is estimated to cost about ₹840 crore and is expected to be operational by early 2028.
மெயின்ஸ்
GS Paper 3 - Science & Technology, indigenous shipbuilding and ocean research capability. India's reliance on imported research vessels for deep-sea missions is being addressed through indigenous construction by PSU shipyards like GRSE, strengthening capabilities relevant to the Blue Economy and missions such as Samudrayaan. The way forward lies in sustained investment in shipbuilding R&D and timely delivery of such strategic assets.
Quick recall
Answer before you reveal
Which Kolkata-based public sector shipyard recently launched India's indigenous ocean research vessel 'Sagar Manthan'?
- Garden Reach Shipbuilders & Engineers
- Mazagon Dock Shipbuilders Limited
- Cochin Shipyard Limited
- Hindustan Shipyard Limited
விடையைக் காட்டு
விடை: A — Garden Reach Shipbuilders & Engineers (GRSE), based in Kolkata, built and launched the ocean research vessel Sagar Manthan.
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