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The Ocean Research Vessel ORV Sagar Manthan (Yard 3041) was launched at Rishi Bankim Shipyard, Kolkata, on 9 September 2026.
It was designed and built by Garden Reach Shipbuilders & Engineers for the National Centre for Polar and Ocean Research under the Ministry of Earth Sciences.
The vessel is built under Vertical-4 (Deep Ocean Survey and Exploration) of the Deep Ocean Mission at an approximate cost of Rs 840 crore, with a projected service life of 30 years.
It will gradually replace the 43-year-old ORV Sagar Kanya, procured from Germany in 1983; delivery for commissioning to NCPOR/MoES is scheduled for 2028.
Nodal agency for the Indian Antarctic Programme and for polar and ocean research; formerly the National Centre for Antarctic and Ocean Research (NCAOR); maintains the Maitri, Bharati and Himadri stations
Defence shipyard building warships and specialised vessels; traces its origin to an 1884 workshop of the River Steam Navigation Company and was taken over by the Government in 1960; accorded Navratna status on 19 June 2026 as the 29th CPSE to receive it
Ship classification societies that certify design and construction against international regulatory standards; ORV Sagar Manthan carries dual-class certification from both
Central Sector Scheme approved in 2021 under the Ministry of Earth Sciences to study deep-sea resources, minerals and marine biodiversity up to 6,000 metres
Key: Estimated outlay of about Rs 4,077 crore over five years in phases; ORV Sagar Manthan is built under Vertical-4, Deep Ocean Survey and Exploration; Mission Director Dr M V Ramanamurthy
Manned submersible project under the Deep Ocean Mission designed to carry three persons to a depth of 6,000 metres with scientific tools
Key: Matsya-6000 is developed indigenously by the National Institute of Ocean Technology (NIOT), Chennai; success would place India among the small group of countries with crewed deep-sea capability
GS Paper 3 > Science and Technology > Indigenisation and Developments in Ocean Research
General Awareness > Science and Institutions
A multidisciplinary scientific platform for oceanographic survey; ORV Sagar Manthan is the first such vessel designed and built in India
MoES scheme approved in 2021, outlay about Rs 4,077 crore, to explore deep-sea resources and biodiversity up to 6,000 metres
Measurement of conductivity, temperature and depth through the water column, a standard oceanographic technique the vessel will carry out