Kolkata-based GRSE launches indigenous ocean research vessel 'Sagar Manthan'
A top government official said the ₹840-crore research vessel is expected to be ready for use by early 2028
360° Perspective Analysis
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Context
Garden Reach Shipbuilders and Engineers (GRSE) has launched 'Sagar Manthan,' an indigenous ocean research vessel for the National Centre for Polar and Ocean Research (NCPOR). Scheduled for completion by early 2028, this ₹840-crore vessel is a crucial component of India's Deep Ocean Mission. It will significantly enhance India's capabilities in deep-sea exploration, scientific research, and resource mapping in the Indian Ocean and Southern Ocean regions.
UPSC Perspectives
Science & Technology
The launch of 'Sagar Manthan' represents a significant leap in India's indigenous shipbuilding and scientific capabilities, aligning with the objectives of the Deep Ocean Mission. This mission aims to explore deep ocean resources and develop deep-sea technologies for sustainable use of ocean resources. The vessel's advanced equipment, including sub-bottom profilers, seismic equipment, and Doppler weather radar, will enable comprehensive oceanographic and geophysical research. Crucially, the vessel is designed to deploy and recover autonomous underwater vehicles (AUVs) and remotely operated vehicles (ROVs) developed by the . This capability is essential for deep-sea mining exploration, particularly for polymetallic nodules and sulphides at depths up to 6 km. For UPSC Prelims, candidates should be familiar with the objectives of the , the roles of the and , and the types of marine resources targeted. In Mains, this development can be cited as a prime example of India's growing prowess in indigenous marine technology and its strategic push for self-reliance in scientific exploration.
Economic
The deployment of 'Sagar Manthan' is directly linked to India's Blue Economy vision, which emphasizes the sustainable use of ocean resources for economic growth, improved livelihoods, and jobs while preserving the health of ocean ecosystems. The vessel's ability to map and explore marine mineral resources, specifically manganese nodules and polymetallic sulphides in the Indian Ocean region, is of immense strategic and economic importance. These resources contain critical minerals necessary for modern technologies, including renewable energy systems and electronics. Securing access to these resources is vital for reducing import dependence and supporting India's industrial growth. Furthermore, the data collected by the vessel will support various ocean-linked sectors such as shipping, energy, logistics, and tourism. From a UPSC perspective, understanding the components of the Blue Economy and the economic potential of deep-sea mining is crucial for GS Paper 3. The role of the in coordinating these efforts through institutions like highlights the government's structured approach to harnessing ocean wealth.
Geographical
From a geographical standpoint, 'Sagar Manthan' expands India's research footprint across diverse and challenging marine environments. The vessel's design allows it to operate in severe sea states, enabling research in the equatorial Indian Ocean, the Bay of Bengal, and crucially, the Southern Ocean, including waters around Antarctica. This capability is significant for understanding complex global climate patterns, as the Southern Ocean plays a critical role in regulating global climate and oceanic circulation. The vessel's atmospheric observation systems and Conductivity, Temperature, and Depth (CTD) profiling will provide invaluable data on ocean-atmosphere interactions, sea-level rise, and marine biodiversity. This data is essential for accurate climate modeling and weather forecasting in the Indian subcontinent. For UPSC aspirants, the geographical scope of the vessel's operations highlights the strategic importance of the Indian Ocean Region (IOR) and the Southern Ocean. Understanding the scientific rationale behind polar and deep-ocean research, and its implications for climate science, is essential for GS Paper 1 (Geography) and GS Paper 3 (Environment).