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UPSC Combined Geo Scientist Exam 2027: Notification, 127 Vacancies, Dates, Eligibility & Apply Online
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The Union Public Service Commission (UPSC) has released the official notification for the Combined Geo-Scientist Examination, 2027 (Examination Notice No. 01/2027-GEOL) on 2nd September 2026. Through this recruitment drive, UPSC will fill 127 tentative vacancies for the posts of Geologist, Geophysicist, Chemist and their Assistant-level equivalents in the Geological Survey of India (Ministry of Mines) and the Central Ground Water Board (Ministry of Jal Shakti). Interested and eligible candidates can apply online through upsconline.nic.in from 2nd September 2026 to 22nd September 2026 (till 6:00 PM). The Preliminary Examination is scheduled for 10th January 2027, followed by the Main Examination on 19th and 20th June 2027.
UPSC Combined Geo Scientist Exam 2027 | Overview
| Particulars | Details |
|---|---|
| Organization | Union Public Service Commission (UPSC) |
| Exam Name | Combined Geo-Scientist Examination, 2027 (CGSE 2027) |
| Notice Number | 01/2027-GEOL |
| Advertisement No. | 04/01/2026-E.I(B) |
| Recruiting Bodies | Geological Survey of India (GSI) & Central Ground Water Board (CGWB) |
| Total Vacancies | 127 (Tentative) |
| Application Mode | Online only |
| Official Website | upsconline.nic.in / upsc.gov.in |
| Application Start Date | 02 September 2026 |
| Last Date to Apply | 22 September 2026 (till 6:00 PM) |
| Preliminary Exam Date | 10 January 2027 |
| Main Exam Date | 19 & 20 June 2027 |
| Selection Stages | Preliminary Exam → Main Exam → Personality Test |
| Total Marks | 1200 (400 + 600 + 200) |
UPSC Combined Geo Scientist Exam 2027 | Important Dates
| Event | Date |
|---|---|
| Date of Notification | 02 September 2026 |
| Start of Online Application | 02 September 2026 |
| Last Date for Filling Application | 22 September 2026 (18:00 Hrs) |
| Combined Geo-Scientist (Preliminary) Examination | 10 January 2027 |
| Combined Geo-Scientist (Main) Examination | 19 & 20 June 2027 |
UPSC Combined Geo Scientist Exam 2027 | Application Fee
| Category | Fee |
|---|---|
| General / OBC / EWS | Rs. 200/- |
| SC / ST / Female / Persons with Benchmark Disability (PwBD) | Exempted (No Fee) |
Mode of Payment: Net Banking of any bank, or Visa/Master/RuPay Credit/Debit Card, or UPI Payment.
Note: Fee once paid is non-refundable and cannot be adjusted or reserved for any other examination.
UPSC Combined Geo Scientist Exam 2027 | Age Limit
(As on 01 January 2027)
- Minimum Age: 21 years
- Maximum Age: 32 years
- Candidate must be born not earlier than 2 January 1995 and not later than 1 January 2006.
Age Relaxation
| Category | Relaxation |
|---|---|
| SC / ST | 5 years |
| OBC | 3 years |
| Government Servants (in specified departments, for corresponding posts) | 5 years |
| Ex-Servicemen | 5 years |
| Defence Personnel disabled in operations | 3 years |
| Persons with Benchmark Disability (PwBD) | 10 years |
UPSC Combined Geo Scientist Exam 2027 | Vacancy Details (Post & Category Wise)
Category-I: Geological Survey of India (GSI), Ministry of Mines
| Post Name | Vacancies |
|---|---|
| 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 (Category-I) | 111 |
8 vacancies among the above are reserved for Persons with Benchmark Disability (PwBD).
Category-II: Central Ground Water Board (CGWB), Ministry of Jal Shakti
| Post Name | Vacancies |
|---|---|
| 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 (Category-II) | 16 |
2 vacancies among the above are reserved for Persons with Benchmark Disability (PwBD).
Note: The above number of vacancies is tentative and liable to alteration as per the notification.
UPSC Combined Geo-Scientist Exam 2027 | Educational Qualification
| Post | Required Qualification |
|---|---|
| Geologist, Group A (GSI) | 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 / Geochemistry |
| Geophysicist, Group A (GSI) & Scientist ‘B’ (Geophysics), Group A (CGWB) | M.Sc. in Physics / Applied Physics / Geophysics / Exploration Geophysics / Applied Geophysics / Marine Geophysics / Applied Geophysics (Tech.) |
| Chemist, Group A (GSI) & Scientist ‘B’ (Chemical), Group A (CGWB) | M.Sc. in Chemistry / Applied Chemistry / Analytical Chemistry |
| Scientist ‘B’ (Hydrogeology), Group A & Assistant Hydrogeologist, Group B (CGWB) | Master’s degree in Geology / Applied Geology / Marine Geology / Hydrogeology |
| Assistant Chemist, Group B | M.Sc./Integrated M.Sc. in Chemistry / Applied / Analytical / Physical / Inorganic / Organic / Hydro-Chemistry / Industrial Chemistry |
| Assistant Geologist, Group B (GSI) | Master’s/Integrated Master’s degree in Geology / Applied Geology / Mineral Exploration / Marine Geology / Earth Science |
| Assistant Geophysicist, Group B | M.Sc./M.Sc.(Tech)/Integrated M.Sc. in Geophysics / Exploration Geophysics / Applied Geophysics / Geo-Exploration / Marine Geophysics / Physics / Applied Physics / Applied Geology |
All degrees must be from a University established by an Act of Parliament/State Legislature or a UGC-recognized/deemed university.
UPSC Combined Geo Scientist Exam 2027 | Selection Process
The Combined Geo-Scientist Examination 2027 is conducted in three successive stages:
- Stage-I: Preliminary Examination (Objective Type) – Screening test for the Main Examination.
- Stage-II: Main Examination (Conventional/Descriptive Type) – For shortlisting candidates for the Personality Test.
- Stage-III: Personality Test/Interview – Final stage before preparation of the merit list.
Final merit is prepared based on the combined marks scored in the Preliminary Examination + Main Examination + Personality Test.
UPSC Combined Geo Scientist Exam 2027 | Salary / Pay Scale
The official notification (Examination Notice No. 01/2027-GEOL) does not specify the exact pay scale/pay level for the posts. Candidates are advised to refer to the detailed Recruitment Rules of the Combined Geo-Scientist Examination, 2027 published in the Gazette of India dated 2nd September 2026, or the official UPSC/GSI/CGWB websites for confirmed pay-scale/pay-matrix details before applying.
UPSC Combined Geo Scientist Exam 2027 | Exam Pattern
Stage-I: Preliminary Examination (Objective Type) – Total 400 Marks
| Paper | Subject | Duration | Max. Marks |
|---|---|---|---|
| Paper-I | General Studies (Common for all streams) | 2 Hours | 100 |
| Paper-II | Geology / Geophysics / Chemistry (Stream Specific) | 2 Hours | 300 |
| Total | 400 |
Streams for Paper-II:
- Stream-I: Geology/Hydrogeology (for Geologist & Hydrogeology posts)
- Stream-II: Geophysics (for Geophysicist posts)
- Stream-III: Chemistry (for Chemist posts)
Stage-II: Main Examination (Conventional/Descriptive Type) – Total 600 Marks
Consists of three papers in the candidate’s chosen stream (Geology/Geophysics/Chemistry).
Stage-III: Personality Test/Interview – Total 200 Marks
Overall Exam Structure
| Stage | Marks |
|---|---|
| Stage-I: Preliminary Examination | 400 |
| Stage-II: Main Examination | 600 |
| Stage-III: Personality Test | 200 |
| Grand Total | 1200 |
Negative Marking: One-third of the marks assigned to a question will be deducted for each wrong answer in the Objective Type papers. No penalty for unattempted questions.
UPSC Combined Geo Scientist Exam 2027 | Documents Required
Candidates should keep scanned copies of the following documents ready for the Universal Registration Number (URN) and Common Application Form (CAF):
- Certificate of Age (Matriculation/Class 10 certificate)
- Certificate of Educational Qualification
- Certificate in support of claim to SC/ST/EWS/OBC category (where applicable)
- Certificate in support of claim for age/fee concession (wherever applicable)
- Certificate in support of being a Person with Benchmark Disability (wherever applicable)
- A valid Photo ID (Aadhaar Card / Voter Card (EPIC) / PAN Card / Passport / Driving License / any other Govt.-issued Photo ID)
- Scanned photograph and live photo capture (as required during CAF)
- Scanned signature (signed three times on plain white paper with black ink)
Note: Original documents will be required at the time of the Personality Test/Interview.
UPSC Combined Geo Scientist Exam 2027 | How to Apply
- Visit the official UPSC online application portal: https://upsconline.nic.in
- Complete Account Creation on the portal.
- Register for the Universal Registration Number (URN) – a one-time registration valid for all UPSC exams.
- Fill in the Common Application Form (CAF), which is common for all UPSC examinations.
- Fill the Examination Specific Module for the Combined Geo-Scientist Examination, 2027 (choose stream, exam centre, etc.).
- Upload the required photograph, live photo capture, and signature as per instructions.
- Pay the applicable application fee (if not exempted) via net banking/UPI/Credit or Debit Card.
- Review all details carefully and submit the application before 22 September 2026, 6:00 PM.
- Keep a note of your URN and Application Number for future reference.
UPSC Combined Geo Scientist Exam 2027 | Previous Post
A1. The last date to submit the online application is 22 September 2026 (till 6:00 PM).
A2. A total of 127 tentative vacancies have been announced across Geologist, Geophysicist, Chemist and Assistant-level posts in GSI and CGWB.
A3. Candidates must be between 21 and 32 years of age as on 1 January 2027, i.e., born between 2 January 1995 and 1 January 2006, with age relaxation applicable as per category.
A4. The application fee is Rs. 200/-. Female candidates, SC/ST candidates, and Persons with Benchmark Disability are exempted from paying the fee.
A5. The Preliminary Examination will be held on 10 January 2027, and the Main Examination will be held on 19 & 20 June 2027.
