The Union Public Service Commission (UPSC) has opened the online application process for the Combined Geo-Scientist Examination 2027. The examination is conducted for specialist scientific positions under the Geological Survey of India (GSI), Ministry of Mines, and the Central Ground Water Board (CGWB), Ministry of Jal Shakti.
This recruitment is an important opportunity for candidates who have completed a relevant master’s degree in Geology, Geophysics, Chemistry and other eligible disciplines. For the 2027 examination, UPSC has notified 125 vacancies across different posts. Interested candidates can submit their applications through the official UPSC online portal within the prescribed application period.
UPSC Geo-Scientist Examination 2027: Overview
| Particular | Details |
|---|---|
| Recruiting Organisation | Union Public Service Commission |
| Examination Name | Combined Geo-Scientist Examination 2027 |
| Examination Notice | 01/2027-GEOL |
| Total Vacancies | 125 Posts |
| Application Mode | Online |
| Application Start Date | 2 September 2026 |
| Last Date to Apply | 22 September 2026 |
| Preliminary Examination | 10 January 2027 |
| Main Examination | 19 & 20 June 2027 |
| Job Location | Across India |
| Official Website | upsc.gov.in |
The application window is scheduled to remain open from 2 September to 22 September 2026. Candidates should complete the form well before the closing date rather than waiting until the final hours.
UPSC Combined Geo-Scientist 2027 Vacancy
UPSC has announced a total of 125 vacancies for the Combined Geo-Scientist Examination 2027. These posts are distributed between the Geological Survey of India and the Central Ground Water Board.
Geological Survey of India (GSI)
The GSI has a total of 111 vacancies under different Group A and Group B positions.
| Post | Group | Vacancies |
|---|---|---|
| Geologist | A | 29 |
| Chemist | A | 7 |
| Assistant Geologist | B | 34 |
| Assistant Geophysicist | B | 35 |
| Assistant Chemist | B | 6 |
| Total | 111 |
Central Ground Water Board (CGWB)
The Central Ground Water Board accounts for the remaining 14 vacancies.
| 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 | 14 |
Together, the GSI and CGWB vacancies make up the 125 posts advertised through the examination.
UPSC Geo-Scientist 2027 Important Dates
Candidates should keep the complete examination schedule in mind while preparing their application and study plan.
- Online Application Begins: 2 September 2026
- Last Date to Apply: 22 September 2026
- Preliminary Examination: 10 January 2027
- Main Examination: 19 and 20 June 2027
- Admit Card: Expected approximately one week before the respective examination
The dates mentioned above are based on the recruitment details currently published for the 2027 examination. Candidates should also check subsequent UPSC notices for any changes.
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Who Can Apply for UPSC Combined Geo-Scientist 2027?
The examination is intended for candidates with postgraduate qualifications in specific scientific disciplines. The exact educational requirement depends on the post and stream selected.
Candidates applying for Geologist or Assistant Geologist positions generally need a master’s degree or an eligible integrated master’s qualification in subjects such as Geological Science, Geology, Applied Geology, Geo-Exploration, Mineral Exploration, Engineering Geology, Marine Geology or Earth Science.
For Geophysics-related positions, eligible qualifications include postgraduate degrees in Geophysics, Exploration Geophysics, Applied Geophysics, Geo-Exploration, Marine Geophysics, Physics, Applied Physics or other qualifications specified in the official notice.
Candidates applying for Chemistry-related positions require an eligible master’s degree in Chemistry, Applied Chemistry, Analytical Chemistry or another permitted chemistry discipline.
For Scientist ‘B’ and other specialised posts, the required postgraduate qualification varies according to the relevant stream, including Hydrogeology, Geology, Chemistry, Physics and Geophysics. Candidates should carefully match their degree with the post-specific qualification before submitting the application.
UPSC Geo-Scientist Age Limit 2027
For the 2027 examination, the general age requirement is 21 to 32 years as on 1 January 2027. The notification specifies the corresponding date-of-birth range for candidates.
Relaxation in the upper age limit is available to eligible candidates belonging to reserved categories and other categories covered under government rules. The applicable relaxation includes provisions for SC, ST, OBC, PwBD, Ex-Servicemen and eligible departmental candidates.
Application Fee
The application fee for eligible General, OBC and EWS candidates is ₹200.
Female candidates, SC candidates, ST candidates and PwBD candidates are exempt from payment of the examination fee, subject to the conditions specified by UPSC.
The fee can be paid through the online payment methods provided during the application process, including card, net banking and UPI options.
UPSC Combined Geo-Scientist Exam Pattern 2027
The selection process is conducted in multiple stages. Candidates first appear for the Preliminary Examination, followed by the Main Examination and Personality Test/Interview.
Stage 1: Preliminary Examination
The Preliminary Examination carries a total of 400 marks.
It consists of a common General Studies paper and a stream-specific paper. The stream-specific paper is based on the candidate’s selected discipline, such as Geology, Geophysics or Chemistry.
There is also negative marking in the Preliminary Examination. One-third of the marks assigned to a question is deducted for an incorrect answer.
Stage 2: Main Examination
Candidates who qualify in the Preliminary stage are called for the Main Examination.
The Main Examination carries 600 marks and consists of three conventional papers of 200 marks each. Each paper is allotted three hours.
Stage 3: Personality Test
The final stage is the Personality Test/Interview, which carries 200 marks.
The final merit position is prepared by considering the marks obtained across the applicable stages of the examination.
How to Apply for UPSC Geo-Scientist Examination 2027
Candidates can complete the application online by following the steps below.
First, visit the official UPSC online application portal. Candidates applying for the first time need to complete the required registration and Common Application Form formalities.
After registration, open the examination-specific application module for the Combined Geo-Scientist Examination 2027. Enter your personal, educational and other required details carefully.
Next, select your examination centre, stream and other preferences wherever applicable. Upload the required photograph, signature and other information in the format specified by UPSC.
Candidates who are required to pay the examination fee should complete the payment through the available online payment options. Finally, submit the application before the deadline and download a copy of the submitted form for future reference.
Documents and Details to Keep Ready
Before starting the application, candidates should keep the necessary information and documents available. These may include educational qualification details, personal information, photograph, signature, category-related documents where applicable and other details required by the UPSC application system.
It is advisable to check every entry before submitting the final application because mistakes in personal or educational information can create problems later in the recruitment process.
UPSC Geo-Scientist 2027 Selection Process
The selection process follows a three-stage structure:
- Preliminary Examination
- Main Examination
- Personality Test/Interview
Candidates must qualify at each applicable stage according to the standards prescribed by UPSC. The final selection is based on the prescribed merit and eligibility requirements.
What Should Candidates Do After Applying?
Submitting the application is only the first step. Candidates should begin structured preparation immediately, particularly because the Preliminary Examination is scheduled for January 2027.
A practical preparation plan should include the complete syllabus, previous-year questions, regular revision and mock tests. Candidates should also follow UPSC updates so that they do not miss information related to the admit card, examination centre, timetable or subsequent stages.
UPSC Combined Geo-Scientist Examination 2027: Important Links
Apply Online: Visit the official UPSC online application portal.
Official Notification: Download and read the complete examination notice before applying.
Official Website: Visit the UPSC website for future notices, admit cards, examination updates and results.
| Apply Online | Click Here | |
| Download Official Notification | Click Here | |
| Official Website | Click Here | |
The UPSC Combined Geo-Scientist Examination 2027 offers a specialised government career opportunity for postgraduate candidates from eligible science and earth-science disciplines. With 125 vacancies available across GSI and CGWB, candidates who meet the educational and age requirements should complete their application within the prescribed dates.
Before applying, read the official UPSC notification carefully and verify your qualification, age, category and other eligibility requirements. Once the form is submitted, start preparing for the Preliminary Examination rather than waiting for the admit card or examination date to get closer.
Disclaimer: This article is intended for educational and informational purposes. Candidates should verify eligibility, dates, vacancies, fee requirements and other recruitment conditions from the official UPSC notification before submitting an application.
UPSC Combined Geo-Scientist Examination 2027: FAQ
What is the UPSC Combined Geo-Scientist Examination 2027?
It is a UPSC examination conducted for recruitment to specialised scientific posts in organisations including the Geological Survey of India and the Central Ground Water Board.
How many vacancies are available?
A total of 125 vacancies have been announced for the 2027 examination.
When does the application process start?
The online application process begins on 2 September 2026.
What is the last date to apply?
Eligible candidates can submit their online applications up to 22 September 2026.
When will the Preliminary Examination be conducted?
The Preliminary Examination is scheduled for 10 January 2027.
What is the application fee?
The fee is ₹200 for General/OBC/EWS candidates, while eligible Female, SC, ST and PwBD candidates are exempt as specified in the notification.
Is there negative marking?
Yes. One-third of the marks assigned to a question is deducted for an incorrect answer in the Preliminary Examination.
