UPSC Combined Geo-Scientist Examination 2027
Union Public Service Commission (UPSC) has released the notification for UPSC Combined Geo-Scientist Examination 2027 for recruitment to 127 posts under the Geological Survey of India (GSI) and Central Ground Water Board (CGWB). Eligible candidates can submit their applications online from 2nd September 2026 to 22nd September 2026. Read this article for eligibility, vacancy details, application fee, selection process, important dates and application procedure.
| Particulars | Details |
|---|---|
| Organization | Union Public Service Commission (UPSC) |
| Name of Post | Geologist & others |
| No. of Posts | 127 posts |
| Min Qualification | Master’s Degree |
| Age Limit | 21 to 32 years as on 1st January 2027, subject to relaxation |
| Application Fees | ₹200/- for others; Nil for Female/SC/ST/PwBD |
| Application Mode | Online |
| Last Date | 22nd September 2026 |
UPSC Combined Geo-Scientist Examination 2027 — Overview
- Organization: Union Public Service Commission (UPSC)
- Name of Examination: UPSC Combined Geo-Scientist Examination 2027
- Advertisement No.: 01/2027-GEOL
- Total Vacancies: 127 posts
- Posts: Geologist, Geophysicist, Chemist, Assistant Geologist, Assistant Geophysicist, Assistant Chemist and other posts under GSI and CGWB
- Application Mode: Online
- Preliminary Examination: 10th January 2027
- Main Examination: 19th & 20th June 2027
Eligibility Criteria for UPSC Combined Geo-Scientist Examination 2027
Candidates applying for the UPSC Combined Geo-Scientist Examination 2027 must have attained 21 years of age and must not have attained 32 years of age on 1st January 2027. Accordingly, candidates must have been born not earlier than 2nd January 1995 and not later than 1st January 2006.
The upper age limit is relaxable by 3 years for OBC candidates, 5 years for SC/ST candidates and 10 years for PwBD candidates. The source specifically states that age will be reckoned as on 1st January 2027.
Educational Qualification for UPSC Combined Geo-Scientist Examination 2027
The required qualification depends on the post and stream selected by the candidate. For Geologist and Assistant Geologist, candidates need a Master’s degree in Geological Science, Geology, Applied Geology, Mineral Exploration, Marine Geology, Earth Science, Petroleum Geosciences or Geochemistry. For Geophysicist, Assistant Geophysicist and Scientist ‘B’ Geophysics, an M.Sc. in Physics, Applied Physics, Geophysics, Exploration/Applied/Marine Geophysics is required. For Chemist, Assistant Chemist and Scientist ‘B’ Chemical, candidates require an M.Sc. in Chemistry, Applied Chemistry or Analytical Chemistry. For Scientist ‘B’ Hydrogeology and Assistant Hydrogeologist, a Master’s degree in Geology, Applied Geology, Marine Geology or Hydrogeology is required.
Application Fees for UPSC Combined Geo-Scientist Examination 2027
Candidates belonging to the Female, SC, ST and PwBD categories are exempted from the application fee. All other candidates have to pay ₹200/-.
The fee can be paid through Visa/Master/RuPay Credit or Debit Card, UPI or Internet Banking.
How to Apply for UPSC Combined Geo-Scientist Examination 2027
- Visit the official UPSC recruitment portal through the Important Links section below.
- Open the Online Application Form link.
- Enter your required personal and educational information.
- Upload your passport-sized photograph, signature and other required documents.
- Pay the application fee according to your category.
- Review the entered information and submit the application form.
- Take a printout of the submitted application form for future reference.
Important Dates for UPSC Combined Geo-Scientist Examination 2027
- Online Application Starts: 2nd September 2026
- Last Date to Apply Online: 22nd September 2026
- Preliminary Examination: 10th January 2027
- Main Examination: 19th & 20th June 2027
Important Links for UPSC Combined Geo-Scientist Examination 2027
| Particulars | Link |
|---|---|
| Online Application Form | APPLY NOW |
| Official Notification | Check Here |
| Previous Year Question Paper (PYQ) | Check Here |
| Official Website | Visit Here |
Vacancy Details of UPSC Combined Geo-Scientist Examination 2027
Category I: Geological Survey of India
| Post | Group | No. of Posts |
|---|---|---|
| Geologist | A | 29 |
| Geophysicist | A | 0 |
| Chemist | A | 7 |
| Assistant Geologist | B | 34 |
| Assistant Geophysicist | B | 35 |
| Assistant Chemist | B | 6 |
| Total | 111 |
Category II: Central Ground Water Board
| Post | Group | No. of Posts |
|---|---|---|
| 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 |
Selection Process of UPSC Combined Geo-Scientist Examination 2027
The selection process consists of three stages: Preliminary Examination, Main Examination and Personality Test/Interview.
| Stage | Type | Maximum Marks |
|---|---|---|
| Stage-I: Preliminary Examination | Objective Type – 2 papers | 400 |
| Stage-II: Main Examination | Descriptive/Conventional Type – 3 papers | 600 |
| Stage-III: Personality Test/Interview | Interview | 200 |
Preliminary Examination Pattern
| Stream | Paper-I | Paper-II | Total |
|---|---|---|---|
| Geology/Hydrogeology | General Studies – 100 marks, 2 hrs | Geology/Hydrogeology – 300 marks, 2 hrs | 400 |
| Geophysics | General Studies – 100 marks, 2 hrs | Geophysics – 300 marks, 2 hrs | 400 |
| Chemistry | General Studies – 100 marks, 2 hrs | Chemistry – 300 marks, 2 hrs | 400 |
Main Examination Pattern
| Stream | Paper I | Paper II | Paper III | Total |
|---|---|---|---|---|
| Geology/Hydrogeology | Geology – 200 | Geology – 200 | Hydrogeology – 200 | 600 |
| Geophysics | Geophysics – 200 | Geophysics – 200 | Geophysics – 200 | 600 |
| Chemistry | Chemistry – 200 | Chemistry – 200 | Chemistry – 200 | 600 |
The Personality Test/Interview carries 200 marks, and there is no minimum qualifying mark for this stage. Candidates securing the minimum qualifying marks in Stage-II, as decided by the Commission, will be shortlisted for the interview. Approximately twice the number of vacancies may be called for the Personality Test.
FAQ for UPSC Combined Geo-Scientist Examination 2027
When will the UPSC Geo-Scientist online application start?
The online application process starts on 2nd September 2026.
What is the last date to apply for UPSC Combined Geo-Scientist Examination 2027?
The last date for online application submission is 22nd September 2026.
What is the application fee for the UPSC Geo-Scientist Examination?
The fee is ₹200/- for candidates in the applicable non-exempt categories, while Female, SC, ST and PwBD candidates are exempted.
When will the UPSC Combined Geo-Scientist Preliminary Examination be held?
The Preliminary Examination is scheduled for 10th January 2027, while the Main Examination is scheduled for 19th and 20th June 2027.