Geological Survey of India
| Bhāratīya Bhūvaijnyānik Sarvekṣhaṇ | |
Headquarters at Kolkata | |
| Agency overview | |
|---|---|
| Formed | 4 March 1851 |
| Type | Geological survey |
| Jurisdiction | Government of India |
| Headquarters | Kolkata |
| Annual budget | ₹8 billion (US$95 million) (2019–20) |
| Parent agency | Ministry of Mines |
| Website | gsi.gov.in/ |
The Geological Survey of India (GSI) is a scientific agency under the purview of the Ministry of Mines of the Government of India. Established in 1851, it was the second survey agency to be established in British India after the Survey of India (founded in 1767). It conducts geological survey to collect data and is the primary provider of geological information to various government departments, agencies, and public.