UPSC Combined Geo-Scientist Exam 2027 Prelims is on 10 January 2027 and Mains on 19-20 June 2027 for 127 tentative vacancies. The online application window ran from 2 September 2026 to 22 September 2026 and is now closed. The exam is held under Examination Notice No. 01/2027-GEOL.
Important Dates
| Notification Released | 02 Sep 2026 |
| Application Start | 02 Sep 2026 |
| Last Date | 22 Sep 2026 |
| Fee Payment Last Date | 22 Sep 2026 |
| Preliminary Exam Date | 10 Jan 2027 |
| Preliminary Admit Card | Released before the exam (exact date not announced) |
| Main Exam Date | 19 Jun 2027 and 20 Jun 2027 |
Application Fee
| General / OBC | ₹200 |
| SC / ST | No fee |
| PH / Female | No fee |
Age Limit
| Minimum Age | 21 years |
| Maximum Age | 32 years |
| Age Calculated As On | 01 Jan 2027 |
Vacancy Details
| Post Name | UPSC Geo Scientist Exam Date 2027 Out - Prelims 10 Jan |
| Department | Union Public Service Commission (UPSC) |
| Total Vacancy | 127 |
| Post Name | No. Of Post |
|---|---|
| Geologist, Group A (Cat-I) | 29 |
| Geophysicist, Group A (Cat-I) | 0 |
| Chemist, Group A (Cat-I) | 7 |
| Assistant Geologist, Group B (Cat-I) | 34 |
| Assistant Geophysicist, Group B (Cat-I) | 35 |
| Assistant Chemist, Group B (Cat-I) | 6 |
| Scientist B (Hydrogeology), Group A (Cat-II) | 5 |
| Scientist B (Chemical), Group A (Cat-II) | 1 |
| Scientist B (Geophysics), Group A (Cat-II) | 1 |
| Assistant Hydrogeologist, Group B (Cat-II) | 7 |
| Assistant Chemist, Group B (Cat-II) | 1 |
| Assistant Geophysicist, Group B (Cat-II) | 1 |
Eligibility / Qualification
Qualification depends on the post. A Master's degree (or Integrated Master's degree for some Group B posts) in the relevant subject such as Geology, Physics/Geophysics, Chemistry or Hydrogeology is required. Candidates in the final year of the qualifying degree may be eligible for some Group A posts, subject to the conditions in the notification.
Mode Of Selection
- Preliminary Examination (10 January 2027): the screening stage; qualifying candidates move to the Main Examination
- Main Examination (19 and 20 June 2027): the descriptive written stage
- Personality Test/Interview: the final stage for candidates who clear the Main Examination
Is the Application Still Open?
No. The last date to apply and pay the fee was 22 September 2026, so the application window is closed. Candidates who applied should track the UPSC website for admit card and exam updates. Candidates who missed the deadline should wait for the next Geo-Scientist notification instead of relying on unofficial claims of reopened forms.
Post-wise Educational Qualification
| Post | Qualification |
|---|---|
| Geologist, Group A (Cat-I) | Master's degree in Geological Science, Geology, Applied Geology, Geo-Exploration, Mineral Exploration, Engineering Geology, Marine Geology, Earth Science or an equivalent degree |
| Geophysicist, Group A (Cat-I) | Master's degree in Physics, Applied Physics, Geophysics, Marine Geophysics or an equivalent degree |
| Chemist, Group A (Cat-I) | Master's degree in Chemistry, Applied Chemistry or Analytical Chemistry from a recognised Indian university |
| Assistant Geologist, Group B (Cat-I) | Master's or Integrated Master's degree in Geology, Applied Geology, Mineral Exploration, Marine Geology or Earth Science |
| Assistant Chemist, Group B (Cat-I and Cat-II) | Master's or Integrated Master's degree in Chemistry or a related branch such as Applied, Analytical, Physical, Inorganic, Organic, Hydro or Industrial Chemistry |
| Scientist B (Hydrogeology), Group A (Cat-II) | Master's degree in Geology, Applied Geology, Marine Geology or an equivalent degree |
| Assistant Hydrogeologist, Group B (Cat-II) | Master's degree in Geology, Applied Geology, Marine Geology or Hydrogeology |
How to Apply
- Read the official notification (Notice No. 01/2027-GEOL) fully
- Visit the UPSC online application portal and complete registration
- Select the Combined Geo-Scientist Examination 2027 module
- Fill in personal, educational and category details
- Choose your stream and exam centre carefully
- Upload the required photo and signature as instructed
- Pay the fee if applicable, submit the form and save a copy
Important Links
| Official Notification / Exam Schedule | Click Here |
| Official Website | Click Here |
Important Points to Know Before Applying for UPSC Geo Scientist Exam Date 2027 Out - Prelims 10 Jan
- The exam is held under Examination Notice No. 01/2027-GEOL for Group A and Group B posts in two categories (Cat-I and Cat-II).
- The vacancy total of 127 is tentative and may change, so confirm final figures in the official notification.
- Category-wise age relaxation details were not available in the reviewed information; check the official notification.
- Use only the official UPSC website and portal for notices, admit cards and results.
- Check the notification for age relaxation, reservation and eligibility conditions before assuming you qualify.
- Cross-check post names and qualifications in the official PDF, because third-party listings can contain errors.
Frequently Asked Questions
When is the UPSC Geo Scientist exam 2027?
The Preliminary Examination is on 10 January 2027 and the Main Examination is on 19 and 20 June 2027.
Is the UPSC Geo Scientist 2027 application still open?
No. The last date to apply was 22 September 2026, and the window is closed.
How many vacancies are there in UPSC Geo Scientist 2027?
The notification lists 127 tentative vacancies across Group A and Group B posts.
What is the UPSC Geo Scientist 2027 notice number?
The examination notice number is 01/2027-GEOL, and it was released on 2 September 2026.
What is the age limit for UPSC Geo Scientist 2027?
Candidates must be between 21 and 32 years old as on 1 January 2027. Relaxation applies as per UPSC rules.