UPSC Combined Geo-Scientist Examination 2027 – 127 Posts, Apply Online, Eligibility, Exam Date, Syllabus & Last Date
Union Public Service Commission (UPSC) has released the notification for the Combined Geo-Scientist Examination 2027. The examination notice number is 01/2027-GEOL. Eligible candidates can submit their applications online from 02 September 2026 to 22 September 2026 up to 18:00 Hours.
The Combined Geo-Scientist Examination 2027 is being conducted for various posts under the Geological Survey of India (GSI), Ministry of Mines and the Central Ground Water Board (CGWB), Ministry of Jal Shakti. The notification mentions 127 tentative vacancies.
UPSC Combined Geo-Scientist Examination 2027 – Overview
| Details | Information |
|---|---|
| Organization | Union Public Service Commission (UPSC) |
| Examination Name | Combined Geo-Scientist Examination, 2027 |
| Examination Notice No. | 01/2027-GEOL |
| Total Tentative Vacancy | 127 Posts |
| Application Mode | Online |
| Application Start Date | 02 September 2026 |
| Last Date | 22 September 2026, up to 18:00 Hours |
| Preliminary Examination | 10 January 2027 |
| Main Examination | 19 & 20 June 2027 |
| Job Type | Government Job |
| Official Website | upsc.gov.in |
| Online Application Portal | upsconline.nic.in |
Important Dates
| Event | Date |
|---|---|
| Notification Release Date | 02 September 2026 |
| Application Start Date | 02 September 2026 |
| Last Date to Apply Online | 22 September 2026 up to 18:00 Hours |
| Last Date for Fee Payment | Not Mentioned Separately in Official Notification |
| Correction Last Date | No correction/alteration/modification is allowed after submission. |
| Preliminary Examination Date | 10 January 2027 |
| Main Examination Date | 19 & 20 June 2027 |
| Admit Card | Issued through the Commission's website as prescribed in the notification. |
| Result Date | To Be Announced |
Vacancy Details
Category-I – Geological Survey of India
| Post Name | Group | Vacancy |
|---|---|---|
| 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 |
| Category-I Total | 111 | |
Category-II – Central Ground Water Board
| Post Name | Group | Vacancy |
|---|---|---|
| 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 |
| Category-II Total | 16 | |
| Total Tentative Vacancies | 127 | |
Educational Qualification
| Post | Educational Qualification |
|---|---|
| Geologist | Master's degree in Geological Science, Geology, Applied Geology, Geo-Exploration, Mineral Exploration, Engineering Geology, Marine Geology, Earth Science and Resource Management, Oceanography and Coastal Areas Studies, Petroleum Geosciences or Geochemistry from a recognized University. |
| Geophysicist / Scientist 'B' (Geophysics) | M.Sc. in Physics, Applied Physics, Geophysics, Exploration Geophysics, Applied Geophysics, Marine Geophysics or M.Sc. (Tech.) in Applied Geophysics, as prescribed in the notification. |
| Chemist / Scientist 'B' (Chemical) | M.Sc. in Chemistry, Applied Chemistry or Analytical Chemistry from a recognized University/Institute. |
| Scientist 'B' (Hydrogeology) / Assistant Hydrogeologist | Master's degree in Geology, Applied Geology, Marine Geology or Hydrogeology from a recognized University/Institute. |
| Assistant Chemist | M.Sc. or Integrated M.Sc. in Chemistry, Applied Chemistry, Analytical Chemistry, Physical Chemistry, Inorganic Chemistry, Organic Chemistry, Hydro-Chemistry or Industrial Chemistry. |
| Assistant Geologist | Master's degree or Integrated Master's degree in Geology, Applied Geology, Mineral Exploration, Marine Geology or Earth Science. |
| Assistant Geophysicist | M.Sc., M.Sc. (Tech.) or Integrated M.Sc. in Geophysics, Exploration Geophysics, Applied Geophysics, Geo-Exploration, Marine Geophysics, Physics, Applied Physics or Applied Geology. |
Age Limit
Minimum Age: 21 Years
Maximum Age: 32 Years
Age Calculation Date: 01 January 2027
Date of Birth: Candidate must have been born not earlier than 02 January 1995 and not later than 01 January 2006.
| Category | Age Relaxation |
|---|---|
| SC/ST | Up to 5 Years |
| OBC | Up to 3 Years |
| Defence Services Personnel as specified | Up to 3 Years |
| Ex-Servicemen/ECOs/SSCOs as specified | Up to 5 Years |
| Government Servants in specified cases | Up to 5 Years |
| Persons with Benchmark Disabilities | Up to 10 Years, subject to conditions |
Application Fee
| Category | Application Fee |
|---|---|
| General/Other applicable candidates | ₹200 |
| OBC | ₹200 |
| EWS | ₹200 |
| Female Candidates | Exempted |
| SC Candidates | Exempted |
| ST Candidates | Exempted |
| Eligible PwBD Candidates | Exempted |
Payment Mode: Net Banking, Visa/Master/RuPay Credit/Debit Card and UPI.
Refund: Fee once paid will not be refunded under the conditions specified in the notification.
Salary / Pay Scale
Selection Process
Stage 1 – Preliminary Examination
Objective Type Examination consisting of two papers. Total marks: 400.
Stage 2 – Main Examination
Conventional/Descriptive Examination consisting of three papers. Total marks: 600.
Stage 3 – Personality Test/Interview
Total marks: 200.
Preliminary Exam Pattern
| Stream | Paper | Subject | Duration | Marks |
|---|---|---|---|---|
| Geology/Hydrogeology | Paper-I | General Studies | 2 Hours | 100 |
| Geology/Hydrogeology | Paper-II | Geology/Hydrogeology | 2 Hours | 300 |
| Geophysics | Paper-I | General Studies | 2 Hours | 100 |
| Geophysics | Paper-II | Geophysics | 2 Hours | 300 |
| Chemistry | Paper-I | General Studies | 2 Hours | 100 |
| Chemistry | Paper-II | Chemistry | 2 Hours | 300 |
Main Examination Pattern
| Stream/Post | Paper Structure | Total Marks |
|---|---|---|
| Geologist / Assistant Geologist | 3 Geology Papers | 600 |
| Geophysicist / Scientist 'B' (Geophysics) / Assistant Geophysicist | 3 Geophysics Papers | 600 |
| Chemist / Scientist 'B' (Chemical) / Assistant Chemist | 3 Chemistry Papers | 600 |
| Scientist 'B' (Hydrogeology) / Assistant Hydrogeologist | 2 Geology Papers + 1 Hydrogeology Paper | 600 |
Detailed Syllabus
General Studies
- Current events of national and international importance
- History of India and Indian National Movement
- Indian and World Geography
- Indian Polity and Governance
- Economic and Social Development
- Sustainable Development
- Poverty and Inclusion
- Demographics and Social Sector initiatives
- Environmental Ecology
- Biodiversity and Climate Change
- General Science
Geology / Hydrogeology
- Physical Geology
- Structural Geology
- Mineralogy
- Igneous Petrology
- Metamorphic Petrology
- Sedimentology
- Paleontology
- Stratigraphy
- Economic Geology
- Hydrogeology
- Groundwater and Aquifer Systems
- Groundwater Exploration
- Groundwater Quality
- Artificial Recharge
- Groundwater Resource Management
Geophysics
- Solid Earth Geophysics
- Earthquake Seismology
- Mathematical Methods in Geophysics
- Geophysical Inversion
- Electrodynamics and Electromagnetic Theory
- Atmospheric and Space Physics
- Gravity and Magnetic Methods
- Electrical and Electromagnetic Methods
- Seismic Prospecting
- Borehole Geophysics
- Classical Mechanics
- Thermodynamics and Statistical Physics
- Atomic and Molecular Physics
- Nuclear and Particle Physics
- Radiometric and Airborne Geophysics
- Marine Geophysics
- Geophysical Signal Processing
- Remote Sensing and Geohydrology
- Solid State Physics and Basic Electronics
- Quantum Mechanics
Chemistry
- Chemical Periodicity
- Chemical Bonding and Structure
- Acids and Bases
- Quantitative Inorganic Analysis
- Kinetic Theory and Gaseous State
- Chemical Thermodynamics
- Chemical Equilibrium
- Electrochemistry
- Organic Chemistry
- Stereochemistry
- Organic Reaction Mechanisms
- Inorganic Chemistry
- Physical Chemistry
- Analytical Chemistry
- Spectroscopy
- Chromatography
How to Apply Online
- Visit the UPSC Online Application Portal.
- Create an account as instructed on the portal.
- Complete the Universal Registration Number (URN) process.
- Complete the Common Application Form (CAF).
- Select the Combined Geo-Scientist Examination 2027 application module.
- Enter personal and educational details carefully.
- Upload the required documents.
- Upload photograph and required live photograph.
- Upload signature as prescribed.
- Pay the applicable examination fee.
- Select the examination centre.
- Review all details carefully.
- Submit the application before the last date.
- Save/print the submitted application for future reference.
Documents Required
| Document | Requirement |
|---|---|
| Valid Photo ID | Required |
| Date of Birth/Age Certificate | Required |
| Educational Qualification Certificate | Required |
| SC/ST/OBC/EWS Certificate | Where applicable |
| PwBD Certificate | Where applicable |
| Age/Fee Concession Certificate | Where applicable |
| Photograph | Required as prescribed |
| Signature | Required as prescribed |
Important Links
| Description | Link |
|---|---|
| Apply Online | Apply Online |
| Official Website | Official Website |
| Notification | Download Notification |
Preparation Tips
- Read the official syllabus carefully.
- Understand the examination pattern for your stream.
- Build strong fundamentals in your relevant subject.
- Practise objective questions for the Preliminary Examination.
- Keep negative marking in mind while attempting mock tests.
- Practise descriptive answers for the Main Examination.
- Revise important topics regularly.
- Practise previous-year questions and mock tests.
- Keep all required documents ready.
- Submit the application before the last date.
Who Should Apply?
- Candidates possessing the prescribed educational qualification.
- Candidates satisfying the prescribed age limit.
- Candidates satisfying the nationality requirements.
- Candidates meeting applicable reservation requirements.
- Candidates able to submit the online application before the deadline.
- Candidates meeting all conditions mentioned in the official notification.
Important Instructions Before Applying
- Read the complete official notification carefully.
- Check your exact educational qualification.
- Verify age as on 01 January 2027.
- Check reservation and certificate requirements.
- Keep valid Photo ID ready.
- Check the applicable application fee.
- Verify all information before final submission.
- Do not wait until the last day.
- Save your URN and Application Number.
- Keep a copy of the submitted application.
Frequently Asked Questions – FAQs
The last date to apply online is 22 September 2026 up to 18:00 Hours.
The notification mentions 127 tentative vacancies.
The required qualification is generally a relevant Master's degree or Integrated Master's degree. The exact qualification depends on the post and stream.
The age limit is 21 to 32 years as on 01 January 2027, subject to applicable relaxation.
The applicable examination fee is ₹200. Female, SC, ST and eligible PwBD candidates are exempted as specified in the notification.
Candidates can apply online through the UPSC Online Application Portal at upsconline.nic.in.
The selection process consists of Preliminary Examination, Main Examination and Personality Test/Interview.
The pay scale/basic salary is not specified in the supplied examination notification.
The Preliminary Examination is scheduled for 10 January 2027.
The Main Examination is scheduled for 19 and 20 June 2027.
Candidates should keep the required Photo ID, educational qualification, age, reservation/concession and PwBD documents, photograph and signature ready as applicable.
The official UPSC website is upsc.gov.in and the online application portal is upsconline.nic.in.
Disclaimer
Disclaimer: This article is prepared for informational purposes based on the official recruitment notification/supporting PDF available at the time of publication. Candidates are advised to read the complete official notification carefully and verify eligibility, vacancy, dates, fee, selection process, salary and other details from the official website of the concerned organization before applying. Rozgar Buddy is not responsible for any error, omission, or subsequent change in the official information.
