| भारतीय भूवैज्ञानिक सर्वेक्षण | |
 | |
 Central Headquarters. 27 JN Road, Kolkata. | |
| Government agency overview | |
|---|---|
| Formed | 4 March 1851 |
| Type | Geological survey |
| Jurisdiction | Government of India |
| Headquarters | Kolkata, West Bengal, India |
| Annual budget | ₹800 crore (US$96 million) (2019–20)[1] |
| Government agency executive |
|
| Parent Government agency | Ministry of Mines |
| Website | gsi.gov.in/ |
The Geological Survey of India (GSI) is a scientific agency of India. It was founded in 1851, as a Government of India organization under the Ministry of Mines, one of the oldest of such organisations in the world and the second oldest survey in India after the Survey of India (founded in 1767), for conducting geological surveys and studies of India, and also as the prime provider of basic earth science information to government, industry and general public, as well as the official participant in steel, coal, metals, cement, power industries and international geoscientific forums.