UPSC Geo-Scientist Recruitment 2027 – The Union Public Service Commission (UPSC) has announced the Combined Geo-Scientist Examination 2027 for recruitment to various Geologist, Geophysicist, Chemist and Hydrogeology-related posts.
A total of 127 vacancies are available under the Geological Survey of India (GSI) and Central Ground Water Board (CGWB). Eligible candidates with the required postgraduate qualifications can submit their applications online.

UPSC Geo-Scientist Recruitment 2027 In Short
| Particulars | Details |
|---|---|
| Exam Name | Combined Geo-Scientist Examination 2027 |
| Conducting Authority | Union Public Service Commission |
| Advertisement No. | 01/2027-GEOL |
| Total Vacancies | 127 |
| Job Location | Across India |
| Application Mode | Online |
| Qualification | Master’s Degree |
| Age Limit | 21–32 Years |
| Application Fee | Rs. 200/- for applicable candidates |
| Preliminary Exam | 10 January 2027 |
| Last Date to Apply | 22 September 2026 |
Vacancy Details of UPSC Geo-Scientist Recruitment 2027
Geological Survey of India (GSI)
| Post | Group | Vacancies |
|---|---|---|
| Geologist | A | 29 |
| Geophysicist | A | 0 |
| Chemist | A | 7 |
| Assistant Geologist | B | 34 |
| Assistant Geophysicist | B | 35 |
| Assistant Chemist | B | 6 |
| Total | 111 |
Central Ground Water Board (CGWB)
| Post | Group | Vacancies |
|---|---|---|
| Scientist ‘B’ – Hydrogeology | A | 5 |
| Scientist ‘B’ – Chemical | A | 1 |
| Scientist ‘B’ – Geophysics | A | 1 |
| Assistant Hydrogeologist | B | 7 |
| Assistant Chemist | B | 1 |
| Assistant Geophysicist | B | 1 |
| Total | 16 |
Total Vacancies: 111 + 16 = 127 Posts
Educational Qualification of UPSC Geo-Scientist Recruitment 2027
Candidates must possess the relevant Master’s Degree for the post they are applying for.
| Post/Stream | Required Qualification |
|---|---|
| Geologist / Assistant Geologist | Master’s Degree in Geology, Applied Geology, Geological Science, Mineral Exploration, Marine Geology, Earth Science, Petroleum Geosciences or Geochemistry |
| Geophysicist / Assistant Geophysicist / Scientist ‘B’ Geophysics | M.Sc. in Physics, Applied Physics, Geophysics, Exploration/Applied/Marine Geophysics |
| Chemist / Assistant Chemist / Scientist ‘B’ Chemical | M.Sc. in Chemistry, Applied Chemistry or Analytical Chemistry |
| Hydrogeology Posts | Master’s Degree in Geology, Applied Geology, Marine Geology or Hydrogeology |
Age Limit of UPSC Geo-Scientist Recruitment 2027
For the UPSC Combined Geo-Scientist Examination 2027, candidates should be:
- Minimum Age: 21 years
- Maximum Age: 32 years
The age will be calculated as on 1 January 2027.
Candidates should have been born between 2 January 1995 and 1 January 2006.
Age Relaxation
| Category | Relaxation |
|---|---|
| OBC | 3 years |
| SC/ST | 5 years |
| PwBD | 10 years |
Application Fee of UPSC Geo-Scientist Recruitment 2027
| Category | Fee |
|---|---|
| Female / SC / ST / PwBD | Nil |
| Other Candidates | Rs. 200/- |
The fee can be paid through credit/debit card, UPI or internet banking.
Selection Process of UPSC Geo-Scientist Recruitment
The selection for the UPSC Geo-Scientist posts will be conducted through:
- Preliminary Examination
- Main Examination
- Personality Test/Interview
Preliminary Examination
The Preliminary Examination will contain two objective papers and carry 400 marks in total.
| Stream | Paper I | Paper II | Total |
|---|---|---|---|
| Geology/Hydrogeology | General Studies – 100 | Geology/Hydrogeology – 300 | 400 |
| Geophysics | General Studies – 100 | Geophysics – 300 | 400 |
| Chemistry | General Studies – 100 | Chemistry – 300 | 400 |
Main Examination
Candidates qualifying in the Preliminary Examination will appear for the Main Examination.
| Stream | Paper I | Paper II | Paper III | Total |
|---|---|---|---|---|
| Geology/Hydrogeology | 200 | 200 | 200 | 600 |
| Geophysics | 200 | 200 | 200 | 600 |
| Chemistry | 200 | 200 | 200 | 600 |
Personality Test
The final stage will be a Personality Test/Interview carrying 200 marks.
Candidates qualifying in the Main Examination will be shortlisted for the interview.
Exam Dates of UPSC Geo-Scientist Recruitment 2027
| Examination | Date |
|---|---|
| Preliminary Examination | 10 January 2027 |
| Main Examination | 19 & 20 June 2027 |
How to Apply Online for UPSC Geo-Scientist Recruitment 2027
Eligible candidates can submit their applications through the UPSC online portal.
Steps to Apply:
- Visit the UPSC online application portal.
- Complete the registration and application process.
- Enter the required personal and educational details.
- Upload the required documents, photograph and signature.
- Pay the applicable application fee.
- Submit the application form.
- Save or print a copy of the submitted form for future reference.
Important Dates of UPSC Geo-Scientist Recruitment 2027
| Event | Date |
|---|---|
| Online Application Starts | 2 September 2026 |
| Last Date to Apply | 22 September 2026 |
| Preliminary Examination | 10 January 2027 |
| Main Examination | 19 & 20 June 2027 |
Important Links of UPSC Geo-Scientist Recruitment 2027
| Particulars | Link |
|---|---|
| Online Application | Click Here |
| Official Notification | Click Here |
| UPSC Official Website | Click Here |
| Explore Jobs in Assam | Click Here |