The Union Public Service Commission (UPSC) has released the official notification for the Combined Geo-Scientist Examination (CGSE) 2027, inviting online applications for 127 vacancies of Geologist, Geophysicist, Chemist, and related posts in the Geological Survey of India (GSI) and Central Ground Water Board (CGWB). Eligible candidates can apply online from 2nd September 2026 to 22nd September 2026 through the official UPSC application portal.
Important – Read Before You Apply: Candidates must thoroughly go through the official notification available on the UPSC website before applying. Ensure your educational qualification matches the specific post applied for, and complete the application along with fee payment well before the closing date to avoid server congestion on the last day.
Overview
| Particulars | Details |
|---|---|
| Organisation | Union Public Service Commission (UPSC) |
| Exam Name | Combined Geo-Scientist Examination (CGSE) 2027 |
| Advertisement/Notice Number | Examination Notice No. 01/2027-GEOL |
| Total Vacancies | 127 |
| Application Mode | Online |
| Job Location | Across India |
| Official Website | upsc.gov.in |
Important Dates
| Event | Date |
|---|---|
| Notification Release Date | 02 September 2026 |
| Online Application Start Date | 02 September 2026 |
| Online Application Last Date | 22 September 2026 (up to 6:00 PM) |
| Preliminary Examination Date | 10 January 2027 |
| Main Examination Date | 19-20 June 2027 |
Vacancy Details
| Category | Posts Included | Vacancies |
|---|---|---|
| Category-I | Geologist, Geophysicist, Chemist and related posts under Geological Survey of India (GSI) | 111 |
| Category-II | Assistant Hydrogeologist, Assistant Chemist, Assistant Geophysicist and related posts under Central Ground Water Board (CGWB) | 16 |
| Total | 127 |
Eligibility Criteria
Age Limit: Candidates must be between 21 and 32 years of age as on 1 January 2027. Age relaxation is applicable as per government norms for SC/ST (5 years), OBC (3 years), PwBD (10 years), and Ex-servicemen candidates.
Educational Qualification: Candidates must hold a Master’s degree in the relevant discipline, Geology, Geophysics, Chemistry, or Hydrogeology, from a recognised university, depending on the post and category applied for.
Application Fee
| Category | Fee |
|---|---|
| General/OBC/EWS (Male) | Rs. 200/- |
| Female/SC/ST/PwBD Candidates | Nil (Exempted) |
Payment can be made online through net banking, debit card, credit card, or UPI, or offline by cash at any SBI branch using the generated challan.
Selection Process
Selection for the Combined Geo-Scientist Examination will be conducted in three stages:
- Preliminary Examination – 400 marks (Objective type)
- Main Examination – 600 marks (Descriptive type)
- Personality Test/Interview – 200 marks
Candidates must qualify each stage to proceed to the next, with the final merit list prepared on the combined marks of the Main Examination and Interview.
How to Apply
- Visit the official UPSC website, upsc.gov.in, or the online application portal, upsconline.nic.in.
- Locate the notification for “Combined Geo-Scientist Examination 2027” under the “Active Examinations” or “Recruitment” section.
- Register with a valid email ID and mobile number, or log in using existing OTR (One Time Registration) credentials.
- Fill in the online application form with personal, academic, and category-related details.
- Upload scanned copies of photograph and signature as per the prescribed specifications.
- Pay the applicable application fee, if not exempted.
- Review and submit the application form, and retain a printout of the confirmation page.
Important Instructions
- Candidates are strongly advised to complete the One Time Registration (OTR) process before filling the actual application form, as it is mandatory for all UPSC examinations.
- Choice of examination centre should be made carefully at the time of application, as changes may not be permitted later.
- Candidates should regularly check the official UPSC website for updates regarding admit cards, exam city changes, and result notifications.
- Ensure that the application is submitted well before the last date, as the website tends to experience heavy traffic close to the deadline.
Important Links
| Description | Link |
|---|---|
| Official Notification | upsc.gov.in – Combined Geo-Scientist (Preliminary) Examination, 2027 |
| Apply Online | upsconline.nic.in |
| Official Website | upsc.gov.in |
Frequently Asked Questions
How many total vacancies have been announced under UPSC CGSE 2027?
✅ A total of 127 vacancies have been announced across GSI and CGWB categories.
What is the last date to apply for UPSC Combined Geo-Scientist Examination 2027?
✅ The online application window closes on 22 September 2026 at 6:00 PM.
What is the age limit to apply for this examination?
✅ Candidates must be between 21 and 32 years of age as on 1 January 2027, with relaxation applicable for reserved categories.
What is the application fee for general category candidates?
✅ General, OBC, and EWS male candidates must pay Rs. 200/- as the application fee.
Are female and SC/ST candidates required to pay the application fee?
✅ No, female candidates, SC/ST candidates, and persons with benchmark disability are exempted from the fee.
How many stages are there in the selection process?
✅ The selection process consists of three stages: Preliminary Examination, Main Examination, and Personality Test/Interview.
When will the Preliminary Examination be conducted?
✅ The Preliminary Examination is scheduled for 10 January 2027.
What educational qualification is required to apply?
✅ A Master’s degree in Geology, Geophysics, Chemistry, or Hydrogeology from a recognised university is required, depending on the post.
Where should candidates apply for UPSC CGSE 2027?
✅ Candidates must apply online through the official UPSC application portal, upsconline.nic.in.
When will the Main Examination be held?
✅ The Main Examination is scheduled to be conducted on 19-20 June 2027.
Disclaimer: The information provided in this article is based on the official notification released by UPSC. Candidates are advised to verify all details from the official website before applying. JobShouter.com is not associated with UPSC in any manner.
