UPSC Combined Geo-Scientist Examination 2027: 127 Posts
UPSC Combined Geo-Scientist Examination 2027 is a major recruitment opportunity for candidates with postgraduate qualifications in Geology, Geophysics, Chemistry and related subjects. The Union Public Service Commission (UPSC) has announced 127 vacancies through the Combined Geo-Scientist Examination 2027. Eligible candidates can submit their applications online from 2 September 2026 to 22 September 2026.
UPSC Combined Geo-Scientist Examination 2027 Details
| Particular | Details |
|---|---|
| Organization | Union Public Service Commission |
| Examination | Combined Geo-Scientist Examination 2027 |
| Advertisement No. | 01/2027-GEOL |
| Total Vacancies | 127 Posts |
| Qualification | Master’s Degree in relevant subject |
| Age Limit | 21 to 32 years |
| Application Fee | ₹200 for applicable candidates |
| Application Mode | Online |
| Preliminary Exam | 10 January 2027 |
| Main Exam | 19 and 20 June 2027 |
| Application Start Date | 2 September 2026 |
| Last Date | 22 September 2026 |
Vacancy Details
The 127 vacancies are divided between the Geological Survey of India (GSI) and the Central Ground Water Board (CGWB). Candidates can apply for posts according to their educational qualifications and the applicable stream.
Geological Survey of India
| 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
| 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 |
Educational Qualification
Applicants must hold a relevant Master’s degree. The required qualification varies according to the post and stream.
| Post | Required Qualification |
|---|---|
| Geologist/Assistant Geologist | Master’s in Geological Science, Geology, Applied Geology, 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 or Marine Geophysics |
| Chemist/Assistant Chemist/Scientist B Chemical | M.Sc. in Chemistry, Applied Chemistry or Analytical Chemistry |
| Scientist B Hydrogeology/Assistant Hydrogeologist | Master’s in Geology, Applied Geology, Marine Geology or Hydrogeology |
Age Limit and Relaxation
For the UPSC Combined Geo-Scientist Examination 2027, candidates should be between 21 and 32 years of age as on 1 January 2027. Candidates must have been born not earlier than 2 January 1995 and not later than 1 January 2006.
Age relaxation is available to eligible reserved and PwBD categories according to government rules.
| Category | Upper Age Relaxation |
|---|---|
| OBC | 3 years |
| SC/ST | 5 years |
| PwBD | 10 years |
Application Fee
The application fee depends on the candidate’s category. Female candidates, SC/ST candidates and PwBD candidates are exempt from the application fee.
| Candidate Category | Application Fee |
|---|---|
| Female/SC/ST/PwBD | Nil |
| Other Candidates | ₹200 |
The fee can be paid through eligible online payment methods such as credit card, debit card, UPI or internet banking.
UPSC Geo-Scientist Selection Process
The selection process consists of three stages. Candidates must qualify at each applicable stage to progress in the recruitment process.
| Stage | Examination Type | Maximum Marks |
|---|---|---|
| Stage I | Preliminary Examination | 400 |
| Stage II | Main Examination | 600 |
| Stage III | Personality Test/Interview | 200 |
Preliminary Examination Pattern
The Preliminary Examination contains two objective-type papers. General Studies carries 100 marks, while the stream-specific paper carries 300 marks.
| Stream | General Studies | Subject Paper | Total |
|---|---|---|---|
| Geology/Hydrogeology | 100 | 300 | 400 |
| Geophysics | 100 | 300 | 400 |
| Chemistry | 100 | 300 | 400 |
Main Examination Pattern
The Main Examination is descriptive/conventional in nature and carries 600 marks.
| 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 and Interview
Candidates who obtain the minimum qualifying marks in the Main Examination, as decided by UPSC, are shortlisted for the Personality Test/Interview. This stage carries 200 marks. The number of candidates called for the Personality Test is expected to be approximately twice the number of vacancies.
How to Apply for UPSC Combined Geo-Scientist Examination 2027
Eligible candidates can apply online through the official UPSC application system. Before submitting the application, candidates should keep their educational and personal information ready.
The application process generally involves these steps:
- Visit the official UPSC website.
- Open the online application section.
- Select the Combined Geo-Scientist Examination 2027.
- Complete the registration and application details.
- Enter personal, educational and other required information.
- Upload the required photograph, signature and documents.
- Pay the applicable application fee.
- Review the application carefully.
- Submit the application form.
- Save or print a copy of the submitted application for future reference.
Important Dates
| Event | Date |
|---|---|
| Online Application Starts | 2 September 2026 |
| Last Date to Apply | 22 September 2026 |
| Preliminary Examination | 10 January 2027 |
| Main Examination | 19 and 20 June 2027 |
Candidates should complete their applications before the deadline instead of waiting until the final day. They should also verify all details against the official notification before submission.
Important Web-Links
| Online Application Form | Click Here |
| Official Notification | Click Here |
| PYQ | Click Here |
Important Points for Candidates
The UPSC Combined Geo-Scientist Examination provides opportunities in scientific and technical positions under important government organizations. Candidates should select their examination stream carefully according to their postgraduate qualification.
Preparation should cover General Studies along with the relevant technical subject. Since the examination includes both objective and descriptive papers, candidates should practice previous-year questions, revise core concepts and develop answer-writing skills for the Main Examination.
Applicants should also carefully check the official notification for detailed eligibility conditions, category-specific provisions, examination rules and other instructions before completing the application.
FAQs
What is the UPSC Combined Geo-Scientist Examination 2027?
It is a UPSC examination for recruitment to various Geologist, Geophysicist, Chemist, Hydrogeologist and related scientific posts.
How many vacancies are available?
There are 127 vacancies announced for the UPSC Combined Geo-Scientist Examination 2027.
When does the online application start?
The online application process starts on 2 September 2026.
What is the last date to apply?
The last date for submitting the online application is 22 September 2026.
What is the age limit?
Candidates must generally be between 21 and 32 years of age as on 1 January 2027, subject to applicable relaxations.
What is the application fee?
The application fee is ₹200 for applicable candidates, while female, SC/ST and PwBD candidates are exempt.
When will the Preliminary Examination be held?
The Preliminary Examination is scheduled for 10 January 2027.
When will the Main Examination be conducted?
The Main Examination is scheduled for 19 and 20 June 2027.
What qualification is required?
Candidates need a relevant Master’s degree in subjects such as Geology, Geophysics, Chemistry, Hydrogeology or related disciplines, depending on the post.






