What type of vessel is ‘Sagar Manthan’?

On September 9, 2026, ‘Sagar Manthan’—a state-of-the-art Oceanographic Research Vessel built by GRSE for NCPOR at a cost of ₹840 crore—was unveiled in Kolkata; it will be instrumental in marine and climate research. Under the Deep Ocean Mission, it will assist in surveying the Mid-Oceanic Ridge of the Indian Ocean and marine mineral resources, while also strengthening climate studies, tsunami forecasting, and the Blue Economy.