UPSC Combined Geo-Scientist Examination (CGSE) 2027
The Union Public Service Commission (UPSC) has announced the Combined Geo-Scientist Examination (CGSE) 2027 to fill 127 tentative vacancies for Group A and B posts in GSI and CGWB. Interested candidates can apply online from 02-09-2026 to 22-09-2026, with the Preliminary Examination scheduled for 10-01-2027.
| Organisation | Union Public Service Commission (UPSC) |
|---|---|
| Post Name | Geologist, Geophysicist, Chemist, Assistant Geologist, Assistant Geophysicist, Assistant Chemist, Scientist 'B', Assistant Hydrogeologist |
| Total Vacancies | 127 |
| Last Date | |
| Qualification | Master's degree in relevant discipline (Geology, Geophysics, Chemistry, Hydrogeology, etc.) from a recognized university. |
| Salary / Pay Scale | As per norms |
| Category | Central Government Jobs |
| District | All Districts |
Important Dates
| Event | Date |
|---|---|
| Notification Date | 02-09-2026 |
| Start of Online Application | 02-09-2026 |
| Last Date for Application | 22-09-2026 (6:00 PM) |
| Preliminary Exam Date | 10-01-2027 |
| Main Exam Date | 19-06-2027 & 20-06-2027 |
Post-Wise Vacancy Details
| Post | Vacancies |
|---|---|
| Geologist (Group A) | 29 |
| Chemist (Group A) | 7 |
| Assistant Geologist (Group B) | 34 |
| Assistant Geophysicist (Group B) | 35 |
| Assistant Chemist (Group B) | 6 |
| Scientist ‘B’ (Hydrogeology/Chemical/Geophysics) | 7 |
| Assistant Hydrogeologist (Group B) | 7 |
| Assistant Chemist/Geophysicist (CGWB) | 2 |
| Total | 127 |
Eligibility
Candidates must hold a Master’s degree in relevant scientific disciplines (Geology, Geophysics, Chemistry, or Hydrogeology). The age limit is 21 to 32 years as of 01-01-2027. Age relaxations apply: 5 years for SC/ST/GSI/CGWB servants, 3 years for OBC, and up to 10 years for PwBD.
Application Fee
| Category | Fee |
|---|---|
| General/OBC/EWS | ₹200 |
| Female/SC/ST/PwBD | Exempted |
Selection Process
- Preliminary Examination (Objective Type)
- Main Examination (Descriptive Type)
- Personality Test/Interview
How to Apply
- Visit the official UPSC online portal at upsconline.nic.in.
- Complete the registration/login process.
- Fill in the detailed application form for the Combined Geo-Scientist Examination 2027.
- Pay the required application fee (if applicable).
- Submit the application and take a printout for future reference.
Important Links
| Description | Link |
|---|---|
| UPSC Recruitment 2026 Notification PDF | Click Here |
| Apply Now | Click Here |
Key Highlights
- Total Vacancies: 127 tentative posts
- Application Mode: Online via UPSC portal
- Application Fee: ₹200 (exempted for Female, SC, ST, and PwBD)
- Age Limit: 21 to 32 years as on 01-01-2027
- Prelims Exam Date: 10-01-2027
- Main Exam Date: 19-06-2027 and 20-06-2027
- Deadline: 22-09-2026 (up to 6:00 PM)
- Educational Eligibility: Relevant Master’s degree
Frequently Asked Questions
How many vacancies are available for UPSC CGSE 2027?
There are 127 tentative vacancies in total, with 111 in Category-I (GSI) and 16 in Category-II (CGWB).
Is there any application fee for SC/ST candidates?
No, Female candidates and candidates belonging to Scheduled Castes, Scheduled Tribes, and Persons with Benchmark Disability are exempted from the application fee.