About the Geological Survey of India:
- It was set up in 1851 primarily to find coal deposits for the Railways.
- Over the years, it has grown into a repository of geo-science information required in various fields in the country.
- 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.
- It also emphasises systematic documentation of all geological processes, both surface and subsurface, of India and its offshore areas.
- The organisation carries out this work through geological, geophysical, & geochemical surveys using the latest and most cost-effective techniques and methodologies.
- The main functions of the GSI relate to the creation and updation of national geoscientific information and mineral resource assessment.
- It is headquartered in Kolkataand has six regional offices located at Lucknow, Jaipur, Nagpur, Hyderabad, Shillong and Kolkata. Every state has a state unit.
- Presently, GSI is an attached office to the Ministry of Mines.