UPSC CGSE 2027: Union Public Service Commission (UPSC) has released the notification for Combined Geo-Scientist Examination 2027 for 127 tentative vacancies. Eligible candidates can apply online for Geologist, Geophysicist, Chemist, Assistant Geologist, Assistant Geophysicist, Assistant Chemist and other posts under Geological Survey of India (GSI) and Central Ground Water Board (CGWB). The online application process starts from 02 September 2026 and the last date to submit the application form is 22 September 2026 up to 6:00 PM. The UPSC CGSE Preliminary Examination will be conducted on 10 January 2027, while the Main Examination is scheduled for 19 and 20 June 2027.
UPSC CGSE 2027 Overview
| Particulars | Details |
|---|---|
| Recruitment Board | Union Public Service Commission (UPSC) |
| Exam Name | Combined Geo-Scientist Examination 2027 |
| Notification No. | 01/2027-GEOL |
| Total Vacancy | 127 Posts |
| Category-I | Geological Survey of India – 111 Posts |
| Category-II | Central Ground Water Board – 16 Posts |
| Application Mode | Online |
| Application Start | 02 September 2026 |
| Last Date | 22 September 2026 |
| Preliminary Exam | 10 January 2027 |
| Main Exam | 19 & 20 June 2027 |
| Official Website | UPSC |
UPSC CGSE 2027 Important Dates
Candidates should keep all important dates in mind before applying for the UPSC CGSE 2027 Recruitment.
| Event | Date |
|---|---|
| Notification Released | 02/09/2026 |
| Online Application Start | 02/09/2026 |
| Last Date to Apply Online | 22/09/2026 up to 06:00 PM |
| Preliminary Examination | 10/01/2027 |
| Main Examination | 19/06/2027 & 20/06/2027 |
| Admit Card | Before Exam |
| Result | To Be Announced |
The notification and application schedule identify 02 September 2026 as the notification/application start date and 22 September 2026 at 6 PM as the application deadline.
UPSC CGSE 2027 Application Fee
| Category | Application Fee |
|---|---|
| General / OBC / EWS | ₹200/- |
| SC / ST | ₹0/- |
| Female Candidates | ₹0/- |
| PwBD Candidates | ₹0/- |
Payment Mode: Candidates can pay the examination fee through online payment methods such as Net Banking, Debit Card, Credit Card or UPI, as permitted by UPSC. Female, SC, ST and PwBD candidates are exempt from the examination fee.
UPSC CGSE 2027 Age Limit
The age limit is calculated as on 01 January 2027.
| Criteria | Age |
|---|---|
| Minimum Age | 21 Years |
| Maximum Age | 32 Years |
| Date of Birth | 02 January 1995 to 01 January 2006 |
Candidates must have attained 21 years and must not have attained 32 years as on 01 January 2027. Applicable relaxation is available according to the UPSC rules.
Age Relaxation
| Category | Relaxation |
|---|---|
| SC / ST | Up to 5 Years |
| OBC | As per Government Rules |
| Eligible Government Servants | As per UPSC Rules |
| PwBD | As per applicable Government Rules |
Note: Candidates should read the official notification for category-specific and post-specific age-relaxation provisions before applying.
UPSC CGSE Vacancy Details 2027
The UPSC Combined Geo-Scientist Examination 2027 has 127 tentative vacancies. These vacancies are divided into Category-I: GSI – 111 Posts and Category-II: CGWB – 16 Posts. The vacancy figures are tentative and may be changed by the Commission.
Category-I – Geological Survey of India (GSI)
| Post Name | Group | Vacancy |
|---|---|---|
| Geologist | Group A | 29 |
| Geophysicist | Group A | 00 |
| Chemist | Group A | 07 |
| Assistant Geologist | Group B | 34 |
| Assistant Geophysicist | Group B | 35 |
| Assistant Chemist | Group B | 06 |
| Total | 111 |
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Category-II – Central Ground Water Board (CGWB)
| Post Name | Group | Vacancy |
|---|---|---|
| Scientist ‘B’ (Hydrogeology) | Group A | 05 |
| Scientist ‘B’ (Chemical) | Group A | 01 |
| Scientist ‘B’ (Geophysics) | Group A | 01 |
| Assistant Hydrogeologist | Group B | 07 |
| Assistant Chemist | Group B | 01 |
| Assistant Geophysicist | Group B | 01 |
| Total | 16 |
Total Vacancy
GSI: 111 + CGWB: 16 = 127 Posts
UPSC CGSE 2027 Educational Qualification
Candidates must possess the required Master’s Degree / relevant postgraduate qualification from a recognized university or institution. Qualification varies according to the post.
| Post / Stream | Required Qualification |
|---|---|
| Geologist / Assistant Geologist | Master’s Degree in Geological Science, Geology, Applied Geology, Geo-Exploration, Mineral Exploration, Engineering Geology, Marine Geology, Earth Science & Resource Management, Oceanography & Coastal Areas Studies, Petroleum Geosciences or Geochemistry |
| Geophysicist / Assistant Geophysicist | M.Sc. in Physics / Applied Physics / Geophysics / Applied Geophysics / Marine Geophysics or relevant specified qualification |
| Chemist / Assistant Chemist | M.Sc. in Chemistry / Applied Chemistry / Analytical Chemistry or relevant specified qualification |
| Scientist B (Hydrogeology) / Assistant Hydrogeologist | Master’s Degree in Geology / Applied Geology / Marine Geology / Hydrogeology |
| Scientist B (Geophysics) | Relevant M.Sc. / postgraduate qualification in Geophysics or specified related disciplines |
| Scientist B (Chemical) | M.Sc. in Chemistry / Applied Chemistry / Analytical Chemistry |
All candidates should verify their exact degree against the particular post in the official notification before submitting the form.
UPSC CGSE 2027 Selection Process
The UPSC CGSE 2027 Selection Process consists of three major stages:
Stage 1 – Preliminary Examination
The Preliminary Examination is objective type and includes:
- General Studies
- Geology / Hydrogeology
- Geophysics
- Chemistry
depending on the candidate’s selected stream.
Stage 2 – Main Examination
Candidates qualifying in the Preliminary Examination are called for the Combined Geo-Scientist Main Examination.
The Main Examination consists of conventional/descriptive papers. The relevant streams include:
- Geology
- Geophysics
- Chemistry
- Hydrogeology
The Main Examination carries 600 marks.
Stage 3 – Personality Test / Interview
Candidates shortlisted after the Main Examination are called for the Personality Test/Interview, which carries 200 marks.
Final Selection
Preliminary Examination → Main Examination → Personality Test/Interview → Final Merit List
UPSC CGSE 2027 Exam Pattern
Preliminary Examination
| Paper | Marks |
|---|---|
| General Studies | 100 |
| Relevant Geo-Scientist Stream Paper | 300 |
| Total | 400 Marks |
The Preliminary Examination is used for shortlisting candidates for the Main Examination.
Main Examination
| Examination | Marks |
|---|---|
| Paper-I | 200 |
| Paper-II | 200 |
| Paper-III | 200 |
| Total | 600 Marks |
Personality Test
200 Marks
Therefore, the Main Examination and Personality Test are important components of the final selection process.
How to Fill UPSC CGSE 2027 Online Form
Candidates can follow the steps below to submit the UPSC CGSE 2027 Online Form.
- Visit the official UPSC website.
- Open the UPSC Online Application Portal.
- Complete registration/Universal Registration Number (URN) if required.
- Login to the application portal.
- Complete the Common Application Form (CAF).
- Enter personal, educational and other required details carefully.
- Select the eligible category/posts.
- Upload the required photograph and signature according to the prescribed specifications.
- Complete the examination-specific application module.
- Select the examination centre and other required preferences.
- Pay ₹200 application fee, if applicable.
- Carefully check all entered information.
- Submit the application form before 22 September 2026, 6:00 PM.
- Download/print the final submitted application for future reference.
The UPSC application process is online, and candidates should carefully verify their eligibility and uploaded information before final submission.
UPSC CGSE 2027 Image
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UPSC CGSE 2027
Combined Geo-Scientist Examination
127 Posts
Apply Online
Last Date: 22 September 2026
Prelims Exam: 10 January 2027
UPSC CGSE 2027 Important Links
| Link | Details |
|---|---|
| Apply Online | Click Here |
| Official Website | Click Here |
| Examination Notifications | Click Here |
| Previous Year Question Papers | Click Here |
| Naukri House | Click Here |
For Naukri House internal linking, add relevant links to your existing Latest Jobs, Sarkari Result, Admit Card, Answer Key and Admission pages using natural anchor text rather than stuffing keywords.
UPSC CGSE 2027 Important Questions
Q1. What is UPSC CGSE 2027?
UPSC CGSE 2027 is the Combined Geo-Scientist Examination 2027 conducted by the Union Public Service Commission for various scientific Group A and Group B posts.
Q2. How many vacancies are released in UPSC CGSE 2027?
There are 127 tentative vacancies.
Q3. What is the UPSC CGSE 2027 application start date?
The online application starts on 02 September 2026.
Q4. What is the last date for UPSC CGSE 2027?
The last date is 22 September 2026 up to 6:00 PM.
Q5. When will UPSC CGSE Preliminary Exam 2027 be conducted?
The Preliminary Examination is scheduled for 10 January 2027.
Q6. What is the age limit for UPSC CGSE 2027?
The prescribed age is 21 to 32 years as on 01 January 2027, subject to applicable relaxation.
Q7. What is the application fee?
General/OBC/EWS candidates are required to pay ₹200, while eligible Female, SC, ST and PwBD candidates are exempt.
Q8. What qualification is required?
Candidates generally need a relevant Master’s Degree in Geology, Geophysics, Chemistry, Hydrogeology or specified allied disciplines, depending on the post.
Q9. What is the selection process?
Selection is through Preliminary Examination, Main Examination and Personality Test/Interview.
Q10. Where can I apply for UPSC CGSE 2027?
Candidates should apply through the official UPSC online application portal.