Geological Survey of India

The Geological Survey of India (GSI ) was set up in 1851 primarily to find coal deposits for the Railways. Over the years, GSI has not only grown into a repository of geo-science information required in various fields in the country but has also attained the status of a geo-scientific organisation of international repute.
Its main functions relate to creating and updating of national geoscientific information and mineral resource assessment.
These objectives are achieved through ground surveys, air-borne and marine surveys, mineral prospecting and investigations, multi-disciplinary geoscientific, geo-technical, geo-environmental and natural hazards studies, glaciology, seism tectonic study, and carrying out fundamental research.
GSI’s chief role includes providing objective, impartial and up-to-date geological expertise and geoscientific information of all kinds, with a focus on policy-making decisions, and commercial and socio-economic needs.
GSI also emphasises systematic documentation of all geological processes derived out of the surface and subsurface of India and its offshore areas.
The organisation does so by using the latest and most cost-effective techniques and methodologies, including geophysical and geochemical and geological surveys.
GSI’s core competence in survey and mapping is continuously enhanced through accretion, management, coordination and utilization of spatial databases (including those acquired through remote sensing).
It functions as a ‘Repository’ or ‘clearing house’ for the purpose and uses latest computer-based technologies for dissemination of geoscientific information and spatial data, through cooperation and collaboration with other stakeholders in the Geo-informatics sector.
GSI, headquartered in Kolkata, has six regional offices located in Lucknow, Jaipur, Nagpur, Hyderabad, Shillong and Kolkata and state unit offices in almost all states of the country.
Currently, GSI is an attached office to the Ministry of Mines.

Source: PIB

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