UPSC CGSE 2027
Combined Geo-Scientist Examination 2027 - Apply Online for 127 Posts
The Union Public Service Commission (UPSC) has released the notification for the Combined Geo-Scientist Examination (CGSE), 2027, inviting online applications for 127 tentative vacancies of Geologist, Geophysicist, Chemist, and related Group A/B posts in the Geological Survey of India (Ministry of Mines) and the Central Ground Water Board (Ministry of Jal Shakti). Eligible candidates aged 21 to 32 years, holding a relevant Master's degree in Geology, Geophysics, Chemistry, or Hydrogeology, can apply online through the Commission's portal from 02-09-2026 to 22-09-2026 (6:00 PM). Selection is a three-stage process: the Preliminary Examination on 10-01-2027, the Main Examination on 19th and 20th June 2027, and a Personality Test/Interview. This notification covers applications for the Preliminary Examination only.
UPSC CGSE 2027 Quick Information
| Details | Information |
|---|---|
| Examination Name | Combined Geo-Scientist Examination (CGSE), 2027 |
| Notice Reference No. | 01/2027-GEOL |
| Conducting Body | Union Public Service Commission (UPSC) |
| Total Vacancies | 127 Posts (GSI: 111 | CGWB: 16) |
| Application Mode | Online via https://upsconline.nic.in |
| Notification Date | 02 September 2026 |
| Registration Last Date | 22 September 2026 (18:00 Hrs) |
UPSC CGSE 2027 Important Dates
| Event / Activity | Timeline |
|---|---|
| Date of Notification | 02 September 2026 |
| Last Date for Online Application | 22 September 2026 (till 18:00 Hrs) |
| Stage-I (Preliminary) Examination | 10 January 2027 |
| Stage-II (Main) Examination | 19 June 2027 & 20 June 2027 |
UPSC CGSE Vacancy Details (127 Posts)
The notification provides for 127 vacancies across two participating organizations:
| Department | Post Designation | Group | Vacancies |
|---|---|---|---|
| Geological Survey of India (GSI) | 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 | |
| Subtotal - Category-I (GSI) | 111 Posts | ||
| Central Ground Water Board (CGWB) | 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 | |
| Subtotal - Category-II (CGWB) | 16 Posts | ||
| Total Vacancies (CGSE 2027) | 127 Posts | ||
UPSC CGSE Age Limit
- A candidate must have attained 21 years and must not have attained 32 years as on 1 January 2027 - i.e., born not earlier than 2 January 1995 and not later than 1 January 2006.
- Upper age relaxable up to 5 years for Government servants employed in GSI or CGWB applying for the corresponding post.
- Upper age relaxable up to 5 years for SC/ST candidates, 3 years for OBC candidates, 3 years for disabled Defence Services personnel, 5 years for Ex-servicemen, and 10 years for Persons with Benchmark Disability.
UPSC CGSE Application Fee
Candidates are required to pay a fee of ₹200, through net banking or Visa/Master/RuPay Credit/Debit Card/UPI. Female candidates and candidates belonging to Scheduled Castes, Scheduled Tribes, and Persons with Benchmark Disability are exempted from the fee. OBC and EWS candidates are required to pay the full prescribed fee. Fee once paid is non-refundable under any circumstances.
UPSC CGSE Educational Qualifications
| Stream | Prescribed Master's Degree Qualification |
|---|---|
| Geology / Hydrogeology | Master's degree in Geological Science, Geology, Applied Geology, Geo-Exploration, Mineral Exploration, Engineering Geology, Marine Geology, Earth Science, Oceanography, Petroleum Geosciences, or Hydrogeology. |
| Geophysics | M.Sc. in Physics, Applied Physics, Geophysics, Exploration Geophysics, Applied Geophysics, Marine Geophysics, or M.Sc. (Tech.). |
| Chemistry | M.Sc. in Chemistry, Applied Chemistry, Analytical, Inorganic, Organic, Physical, or Industrial Chemistry. |
How to Apply Online
- Visit the official portal at https://upsconline.nic.in.
- Complete Account Creation and generate your Universal Registration Number (URN). Use Aadhaar Card for seamless authentication.
- Fill the Common Application Form (CAF) with live photo capture and upload your signature (signed three times in black ink).
- Select exam centers for Prelims and Mains.
- Pay the ₹200 fee online (if applicable) and submit before 22.09.2026 (6:00 PM).
UPSC CGSE 2027 Exam Pattern
The examination consists of three successive stages:
- Stage-I: Preliminary Examination (400 Marks): Objective type on OMR sheets. Paper-I General Studies (100 Marks, 2 Hrs) + Paper-II Stream Specific (300 Marks, 2 Hrs). Negative marking of 1/3rd (0.33) applies.
- Stage-II: Main Examination (600 Marks): Three conventional descriptive papers of 200 marks each (3 Hours each).
- Stage-III: Personality Test / Interview (200 Marks): Assessment of leadership, field adaptability, and technical aptitude.
Important Official Links
Frequently Asked Questions (FAQs)
This career guide is compiled strictly for informational purposes based on Examination Notice No. 01/2027-GEOL issued by UPSC. Candidates are advised to verify all specific stream-wise eligibility requirements on https://upsc.gov.in before submitting applications.