UPSC Combined Geo-Scientist Examination 2027 – Apply Online for 127 Posts
The Union Public Service Commission (UPSC) has released Examination Notice No. 01/2027-GEOL inviting online applications for the Combined Geo-Scientist Examination, 2027, for 127 posts of Geologist, Geophysicist, Chemist, Scientist ‘B’ and their Assistant-level equivalents in the Geological Survey of India (GSI) and the Central Ground Water Board (CGWB). Eligible postgraduates can apply online from 02 September 2026 to 22 September 2026 through the UPSC Online Recruitment Application portal.
UPSC Combined Geo-Scientist Examination 2027 – Overview
| Organization | Geological Survey of India (Ministry of Mines) & Central Ground Water Board (Ministry of Jal Shakti), recruitment conducted by UPSC |
|---|---|
| Notice No. | Examination Notice No. 01/2027-GEOL |
| Post Names | Geologist, Geophysicist, Chemist, Scientist ‘B’ (Hydrogeology/Chemical/Geophysics), Assistant Geologist, Assistant Geophysicist, Assistant Chemist, Assistant Hydrogeologist |
| Total Vacancies | 127 Posts (Tentative) |
| Job Location | Geological Survey of India / Central Ground Water Board offices across India |
| Application Mode | Online |
| Official Website | upsconline.nic.in |
Important Dates – UPSC Combined Geo-Scientist Examination 2027
| Event | Date |
|---|---|
| Date of Notification | 02 September 2026 |
| Last Date to Apply | 22 September 2026 |
| Preliminary Examination (Stage-I) | 10 January 2027 |
| Main Examination (Stage-II) | 19 & 20 June 2027 |
UPSC Combined Geo-Scientist 2027 Vacancy Details (Tentative)
| Post | Organisation | Vacancies |
|---|---|---|
| Geologist, Group A | Geological Survey of India | 29 |
| Geophysicist, Group A | Geological Survey of India | 0 |
| Chemist, Group A | Geological Survey of India | 7 |
| Assistant Geologist, Group B | Geological Survey of India | 34 |
| Assistant Geophysicist, Group B | Geological Survey of India | 35 |
| Assistant Chemist, Group B | Geological Survey of India | 6 |
| Scientist ‘B’ (Hydrogeology), Group A | Central Ground Water Board | 5 |
| Scientist ‘B’ (Chemical), Group A | Central Ground Water Board | 1 |
| Scientist ‘B’ (Geophysics), Group A | Central Ground Water Board | 1 |
| Assistant Hydrogeologist, Group B | Central Ground Water Board | 7 |
| Assistant Chemist, Group B | Central Ground Water Board | 1 |
| Assistant Geophysicist, Group B | Central Ground Water Board | 1 |
| Total | 127 |
10 vacancies (8 in GSI and 2 in CGWB) are reserved for Persons with Benchmark Disability across Orthopedic, Hearing, and Locomotor categories. Vacancies are tentative and liable to alteration; appointments will be made on a temporary basis in the first instance.
Eligibility Criteria for UPSC Combined Geo-Scientist Examination 2027
Educational Qualification
A relevant Master's Degree (or Integrated Master's Degree) from a recognized University is required depending on the stream applied for: Geological Science/Geology/Applied Geology and allied fields for Geologist and Assistant Geologist posts; M.Sc. in Physics/Geophysics and allied fields for Geophysicist and Assistant Geophysicist posts; M.Sc. in Chemistry/Applied Chemistry and allied fields for Chemist and Assistant Chemist posts; and Geology/Hydrogeology for Scientist ‘B’ (Hydrogeology) and Assistant Hydrogeologist posts.
Age Limit (As on 01.01.2027)
- Minimum Age: 21 Years
- Maximum Age: 32 Years (born between 02.01.1995 and 01.01.2006)
- Age relaxation: up to 5 years for Government servants in the corresponding department, and standard relaxations for SC/ST, OBC, PwBD and Ex-Servicemen categories as per Government of India rules
Salary Structure
The notification does not specify pay scale figures. Selected Group ‘A’ and Group ‘B’ candidates will be paid as per the applicable Government of India pay rules for the respective post and organisation.
Selection Process for UPSC Combined Geo-Scientist Examination 2027
- Stage-I: Combined Geo-Scientist (Preliminary) Examination – Objective Type (400 marks)
- Stage-II: Combined Geo-Scientist (Main) Examination – Conventional/Descriptive Type (600 marks)
- Stage-III: Personality Test/Interview (200 marks)
Marks from the Preliminary Examination are counted toward the final merit along with the Main Examination and Interview.
Scheme of Examination
| Stage | Stream | Papers | Marks |
|---|---|---|---|
| Stage-I (Preliminary) | Geology/Hydrogeology, Geophysics, or Chemistry | Paper-I: General Studies (2 hrs); Paper-II: Stream Subject (2 hrs) | 400 |
| Stage-II (Main) | Geology / Geophysics / Chemistry | Three papers of 3 hours each in the respective stream subject | 600 |
| Stage-II (Main) – Hydrogeology Stream | Scientist ‘B’ (Hydrogeology) / Assistant Hydrogeologist | Paper-I & II: Geology; Paper-III: Hydrogeology (3 hrs each) | 600 |
| Stage-III | All streams | Personality Test/Interview | 200 |
There is a penalty of one-third of the marks assigned to a question for each wrong answer in the objective Preliminary papers; unanswered questions carry no penalty. Candidates admitted to the Main Examination will be about six to seven times the approximate number of vacancies.
Registration and Examination Fee
Candidates are required to pay a fee of ₹200/- via net banking or Visa/Master/RuPay Credit/Debit Card/UPI payment. All Female candidates and candidates belonging to SC/ST are exempted from the fee. Persons with Benchmark Disability are also exempted. No fee exemption is available to OBC/EWS candidates. Fee once paid is non-refundable.
How to Apply for UPSC Combined Geo-Scientist Examination 2027?
- Visit the official website: upsconline.nic.in
- Complete Account Creation, Universal Registration and Common Application Form (CAF)
- Fill in the Examination-specific fourth module, including fee payment and centre selection
- Upload photograph, live photo capture, and signature as per specifications
- Pay the applicable examination fee online and submit the form
- Take a printout of the finally submitted application for future reference
Important Links
Interested Candidates must Read the Full Notification Before Apply
| UPSC Combined Geo-Scientist Examination 2027 | |
|---|---|
| Apply Online | Click Here |
| Download Notification | Click Here |
| Official Website | Click Here |
