
The UPSC Geo Scientist 2027 prelims (Combined Geo-Scientist Examination) will be held on 10 January 2027. This UPSC exam recruits Geologists, Geophysicists, Chemists and Hydrogeologists for the Geological Survey of India, the Central Ground Water Board and other central departments. Applications closed on 22 September 2026, and the mains exam is scheduled for 19–20 June 2027.
UPSC Geo Scientist 2027 – Key Dates
| Event | Date |
|---|---|
| Notification | 2 September 2026 |
| Last date to apply | 22 September 2026 |
| Prelims | 10 January 2027 |
| Mains | 19 June 2027 (2 days) |
| Official website | upsc.gov.in |

Posts Recruited
| Post | Department (examples) |
|---|---|
| Geologist Group A | Geological Survey of India |
| Geophysicist Group A | Geological Survey of India |
| Chemist Group A | Geological Survey of India |
| Scientist B (Hydrogeology, Chemical, Geophysics) | Central Ground Water Board |
Eligibility (General)
- Geologist: MSc in Geology, Applied Geology or related subjects
- Geophysicist: MSc in Physics/Applied Geophysics or related subjects
- Chemist: MSc in Chemistry or related subjects
- Hydrogeologist: MSc in Geology/Hydrogeology as notified
- Age limit as per notification, with relaxations
Exam Pattern
| Stage | Papers |
|---|---|
| Prelims (objective) | Paper I – General Studies; Paper II – subject paper (Geology/Geophysics/Chemistry/Hydrogeology) |
| Mains (descriptive) | Three subject papers |
| Personality test | Interview |
Preparation Plan
- Revise MSc-level core topics thoroughly.
- Solve previous UPSC Geo-Scientist papers.
- Prepare general studies basics – current affairs, geography, environment.
- Practise time management for objective papers.
Why It Matters for Kerala Students
Many Kerala universities offer strong MSc programmes in Geology, Physics and Chemistry. The UPSC Geo Scientist 2027 exam gives these graduates a direct route to prestigious Group A scientific posts.
Read our UPSC Calendar 2027 and UGC NET JRF guides.
Study Resources
Use your MSc textbooks and standard references for the subject paper, and solve previous UPSC Geo-Scientist papers to understand the depth of questions. For General Studies, read a good newspaper and revise basic geography, environment and science. Join a test series if possible and practise answer writing for the descriptive mains papers. Download the e-admit card from upsconline.nic.in when it is released and check your exam centre details.
Candidates who clear prelims should start mains answer writing practice immediately, as the gap to June is short for covering three descriptive papers.
UPSC Geo Scientist 2027: Quick Checklist for Candidates
Use this simple checklist to stay on track with UPSC Geo Scientist 2027 updates and avoid last-minute problems.
- Bookmark the official website and check it regularly instead of relying on forwarded messages.
- Keep your registration number, password and date of birth details safe.
- Download admit cards, results and notices as soon as they are released and keep a printed copy.
- Carry an original photo ID and the documents listed in the official notice on exam or verification day.
- Continue preparation for the next stage while waiting for results.
Staying organised in this way helps you make the most of UPSC Geo Scientist 2027 and move confidently to the next stage.
We review and update this UPSC Geo Scientist 2027 guide whenever official notices or rules change. Bookmark this page, share it with friends who need it, and always confirm the latest details on the official website before you take any step.

Frequently Asked Questions
When is UPSC Geo Scientist 2027 prelims?
On 10 January 2027.
Which posts are filled?
Geologist, Geophysicist, Chemist and Scientist B posts in GSI and CGWB.
Can I still apply?
No, applications closed on 22 September 2026.
When are the mains?
From 19 June 2027.
Related: UPSC Jobs | Exam Dates
Disclaimer: Kerala Job News is not affiliated with any government department, recruiting body or employer mentioned here. This article is compiled from UPSC calendar and notices for general information only. Details can change, so always confirm on the official website before you apply or pay any fee. Kerala Job News never charges money for job information.