UPSC CGSE 2027 Recruitment – Apply Online for 127 Geo-Scientist Posts
Posted: 03-Sep-2026, 08:32 AM | Updated: 03-Sep-2026, 08:46 AM
Union Public Service Commission (UPSC) has released the notification for the Combined Geo-Scientist Examination (CGSE), 2027 for 127 tentative vacancies in the Geological Survey of India (GSI) and Central Ground Water Board (CGWB).
Eligible candidates with the prescribed educational qualification can apply online through the UPSC online application portal. Candidates should carefully check the post-wise educational qualification, age limit and other eligibility conditions before applying.
The online application process starts on 02 September 2026 and the last date to apply is 22 September 2026 up to 6:00 PM. Candidates can check the complete details of UPSC Combined Geo-Scientist Examination 2027 including vacancies, important dates, eligibility, application fee, selection process and how to apply.
| Organization | Union Public Service Commission (UPSC) |
| Post Date | 02-Sep-2026 |
| Total Vacancy | 127 |
| Application Mode | Online |
Quick Overview
The Union Public Service Commission (UPSC) has released the notification for the Combined Geo-Scientist Examination (CGSE) 2027 for recruitment to 127 tentative vacancies under the Geological Survey of India (GSI) and Central Ground Water Board (CGWB). Online applications are invited from eligible candidates from 02 September 2026 to 22 September 2026 up to 6:00 PM.
The recruitment includes posts such as Geologist, Geophysicist, Chemist, Assistant Geologist, Assistant Geophysicist, Assistant Chemist, Scientist B and Assistant Hydrogeologist. Candidates should check the prescribed post-wise educational qualification, age limit and other eligibility conditions before applying.
Important Dates
Candidates applying for Union Public Service Commission (UPSC) should note the following important dates for this recruitment:
| Event | Date |
|---|
| Date of Notification | 02-Sep-2026 |
| Starting Date for Apply Online | 02-Sep-2026 |
| Last Date for Apply Online | 22-Sep-2026 up to 6:00 PM |
| UPSC CGSE Preliminary Examination | 10-Jan-2027 |
| UPSC CGSE Main Examination | 19-Jun-2027 & 20-Jun-2027 |
| Personality Test / Interview | To be announced |
Vacancy Details
A total of 127 vacancies are available under this recruitment, distributed as shown below:
| Post Name | No. of Vacancy |
|---|
| GSI Category-I - Geologist Group A | 29 |
| GSI Category-I - Geophysicist Group A | 0 |
| GSI Category-I - Chemist Group A | 7 |
| GSI Category-I - Assistant Geologist Group B | 34 |
| GSI Category-I - Assistant Geophysicist Group B | 35 |
| GSI Category-I - Assistant Chemist Group B | 6 |
| GSI Category-I Total | 111 |
| CGWB Category-II - Scientist B Hydrogeology Group A | 5 |
| CGWB Category-II - Scientist B Chemical Group A | 1 |
| CGWB Category-II - Scientist B Geophysics Group A | 1 |
| CGWB Category-II - Assistant Hydrogeologist Group B | 7 |
| CGWB Category-II - Assistant Chemist Group B | 1 |
| CGWB Category-II - Assistant Geophysicist Group B | 1 |
| CGWB Category-II Total | 16 |
| Total Vacancies | 127 |
Age Limit
The prescribed age limit for these posts is as follows:
Minimum Age: 21 years | Maximum Age: 32 years
Eligibility
Candidates must possess the prescribed educational qualification for the particular post under the Geological Survey of India (GSI) or Central Ground Water Board (CGWB).
- Geologist: Master’s degree in Geological Science, Geology, Applied Geology or the prescribed equivalent qualification.
- Geophysicist: Master’s degree in Physics, Applied Physics, Geophysics, Applied Geophysics or the prescribed equivalent qualification.
- Chemist: Master’s degree in Chemistry, Applied Chemistry or the prescribed equivalent qualification.
- Assistant Geologist: Relevant Master’s degree in Geology, Applied Geology or Geological Science as prescribed.
- Assistant Geophysicist: Relevant Master’s degree in Geophysics, Applied Geophysics, Physics or the prescribed equivalent qualification.
- Assistant Chemist: Relevant Master’s degree in Chemistry, Applied Chemistry or the prescribed equivalent qualification.
- CGWB Scientist B / Assistant Posts: Candidates must possess the relevant Master’s degree in Hydrogeology, Geology, Applied Geology, Chemistry, Geophysics or other prescribed discipline, depending on the post.
- Age Limit: 21 to 32 years, subject to the post-wise conditions and applicable age relaxation as prescribed by UPSC.
Candidates should carefully check the detailed examination notification for the exact educational qualification, acceptable subjects and other post-specific eligibility requirements.
Application Fee
The application fee structure applicable to different candidate categories is given below:
| Category | Fee |
|---|
| General / OBC / EWS Candidates | Rs.200 |
| Female Candidates | Exempted |
| SC / ST Candidates | Exempted |
| PwBD Candidates | Exempted |
Selection Process
The UPSC Combined Geo-Scientist Examination selection process consists of the following stages:
- Stage I – Preliminary Examination: Objective-type examination carrying a total of 400 marks.
- Stage II – Main Examination: Descriptive examination carrying a total of 600 marks.
- Stage III – Personality Test / Interview: Candidates qualifying in the Main Examination are called for the Personality Test as prescribed.
- Document Verification / Medical Examination: Candidates are required to satisfy the prescribed verification and medical requirements wherever applicable.
Final selection is made according to the merit and conditions prescribed in the official UPSC examination notification.
How to Apply
- Visit the official UPSC online application portal.
- Complete the required registration / profile details using a valid email ID and mobile number.
- Select the Combined Geo-Scientist Examination (CGSE) 2027 application.
- Enter personal, educational and other required details carefully.
- Select the applicable post preferences and examination centre as prescribed.
- Upload the required photograph, signature and supporting documents in the prescribed format.
- Pay the applicable examination fee through the available online payment facility, if required.
- Verify all entered information carefully before final submission.
- Submit the application before 22 September 2026 up to 6:00 PM.
- Download and retain a copy of the submitted application and payment details for future reference.
Important Links
Related Jobs
Frequently Asked Questions
Q1. How many vacancies are available in UPSC CGSE 2027?
A total of 127 tentative vacancies are available under GSI and CGWB.
Q2. When does the UPSC CGSE 2027 application process start?
The online application process starts on 02 September 2026.
Q3. What is the last date to apply for UPSC CGSE 2027?
The last date to submit the online application is 22 September 2026 up to 6:00 PM.
Q4. What is the application fee?
The application fee is Rs.200. Female candidates, SC/ST candidates and PwBD candidates are exempted from payment of the fee.
Q5. What is the age limit for UPSC CGSE 2027?
The prescribed age limit is 21 to 32 years, subject to applicable conditions and age relaxation.
Q6. What educational qualification is required?
The qualification varies by post and generally requires a relevant Master’s degree in Geology, Geophysics, Chemistry, Hydrogeology or the prescribed related discipline.
Q7. When will the UPSC CGSE 2027 Preliminary Examination be conducted?
The Preliminary Examination is scheduled for 10 January 2027.
Q8. What is the selection process?
The selection process consists of the Preliminary Examination, Main Examination and Personality Test / Interview, followed by the prescribed verification and medical requirements.
