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Civil Services / AdministrativeUPSC Combined Geo-Scientist
Union Public Service Commission (UPSC)
- Domain
- Civil Services / Administrative
- Level
- National
- Type
- Govt
- Application closes
- 23 Sept 2025, 6:00 pm IST
Eligibility for your profile
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Exam snapshot
Overview
Conducting body
Union Public Service Commission (UPSC)
What you get
Geologist, Geophysicist, Chemist in GSI & Central Government
Latest content cycle
2026
Application window
3 Sept 2025 → 23 Sept 2025, 6:00 pm IST
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Plan with confidence
Complete exam guide
Eligibility, pattern, syllabus, dates and official resources in one structured view.
EligibilityPending verification
Planning reference — verify the current detailed notice
Eligibility is post-specific. Select the intended geology, hydrogeology, geophysics or chemistry post before checking the exact master's degree title.
| Entry / academy | Age | Date-of-birth window | Sex / marital condition |
|---|---|---|---|
| All notified posts | 21–32 years on 1 January 2026 | 2 January 1994–1 January 2005 | Not stated |
Nationality
Citizen of India · Subject of Nepal or Bhutan · Specified Tibetan refugee or person of Indian origin with a Government of India eligibility certificate where required
Final-year candidates
Yes
Physical standards
Candidates must meet the post-specific physical standards in the 2026 rules.
| Post / scope | Minimum education | Streams / conditions | Final year |
|---|---|---|---|
| Geologist, Group A — GSI | Master's degree | 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, Geochemistry | Allowed |
| Geophysicist GSI / Scientist B or Assistant Geophysicist CGWB | Master's degree | Physics, Applied Physics, Geophysics, Exploration Geophysics, Applied Geophysics, Marine Geophysics, MSc Tech Applied Geophysics | Allowed |
| Chemist GSI / Scientist B Chemical CGWB | Master's degree | Chemistry, Applied Chemistry, Analytical Chemistry | Allowed |
| Scientist B or Assistant Hydrogeologist — CGWB | Master's degree | Geology, Applied Geology, Marine Geology, Hydrogeology | Allowed |
| Assistant Chemist, Group B — CGWB | Master of Science or Integrated Master of Science | Chemistry, Applied Chemistry, Analytical Chemistry, Physical Chemistry, Inorganic Chemistry, Organic Chemistry, Hydro-Chemistry, Industrial Chemistry | Allowed |
Exam patternPending verification
Qualification pathway
Clear each applicable stage in order
Final selection or admission still depends on the published cutoff or merit list and any applicable counselling, document, medical, preference and vacancy rules.
Selection sequence
- 1
Stage I — Preliminary
RequiredPreliminary marks count in final merit. The discipline paper follows the chosen stream.
Preliminary Exam Date: 2026-02-08
- 2
Stage II — Main
RequiredThree English-only conventional papers. Geology, geophysics and chemistry streams take three papers in the discipline. Hydrogeology takes Geology I, Geology II and Hydrogeology.
Main Exam Dates: 2026-06-21
- 3
Stage III — Personality Test / Interview
Required - 4
Final Merit and Post Allocation
RequiredPreliminary, Main and interview marks count. Allocation remains separate by post, stream, category, merit, preference, fitness and vacancy.
Paper and stage details
What each stage contains
Stage I — Preliminary
objective writtenQuestions
Not stated
Maximum marks
400
Duration
240 min
Subject distribution
- Paper I — General Studies · 100 marks
- Paper II — Geology/Hydrogeology, Geophysics or Chemistry · 300 marks
Marking rule
One-third of the marks assigned to an objective question is deducted for a wrong answer; no penalty for a blank answer.
Preliminary marks count in final merit. The discipline paper follows the chosen stream.
Stage II — Main
descriptive writtenQuestions
Not stated
Maximum marks
600
Duration
540 min
Subject distribution
- Discipline Paper I · 200 marks
- Discipline Paper II · 200 marks
- Discipline Paper III / Hydrogeology · 200 marks
Three English-only conventional papers. Geology, geophysics and chemistry streams take three papers in the discipline. Hydrogeology takes Geology I, Geology II and Hydrogeology.
Stage III — Personality Test / Interview
interviewQuestions
Not stated
Maximum marks
200
Duration
Not stated
Final Merit and Post Allocation
meritQuestions
Not stated
Maximum marks
1200
Duration
Not stated
Preliminary, Main and interview marks count. Allocation remains separate by post, stream, category, merit, preference, fitness and vacancy.
SyllabusPending verification
Showing all 23 topics, across all 10 subjects and 10 chapters.
Current Events
Current Events
- Current events of national and international importance
History of India
History of India
- History of India
- Indian National Movement
Indian and World Geography
Indian and World Geography
- Physical geography of India and the World
- Social geography of India and the World
- Economic geography of India and the World
Polity and Governance
Polity and Governance
- Constitution
- Political System
- Panchayati Raj
- Public Policy
- Rights Issues
Economic and Social Development
Economic and Social Development
- Sustainable Development
- Poverty
- Inclusion
- Demographics
- Social Sector initiatives
General issues on Environmental Ecology, Bio-diversity and Climate Change
General issues on Environmental Ecology, Bio-diversity and Climate Change
- Environmental Ecology
- Bio-diversity
- Climate Change
General Science
General Science
- General Science
Geology/Hydrogeology
Stream Paper
- Physical Geology
Geophysics
Stream Paper
- Geophysics
Chemistry
Stream Paper
- Chemistry
Important datesPending verification
2026 cycle
Latest confirmed cycle has concluded
Main Exam Dates: 2026-06-21
Next examination date has not yet been published in StudyBddy's verified official record. The date above is historical—not an upcoming deadline.
Full published timeline5 completed · 0 awaiting dates⌄
Main Exam Dates
Completed2026-06-21
Main Exam Dates
Completed2026-06-20
Preliminary Exam Date
Completed2026-02-08
Application Window
Completed2025-09-03 → 2025-09-23T18:00:00+05:30
Notification Date
Completed2025-09-03
Job profile & salaryPending verification
Total Vacancies
85
| Organisation | Post | Vacancies |
|---|---|---|
| Geological Survey of India | Geologist, Group A | 39 |
| Geological Survey of India | Geophysicist, Group A | 2 |
| Geological Survey of India | Chemist, Group A | 15 |
| Central Ground Water Board | Scientist B (Hydrogeology), Group A | 5 |
| Central Ground Water Board | Scientist B (Chemical), Group A | 2 |
| Central Ground Water Board | Scientist B (Geophysics), Group A | 1 |
| Central Ground Water Board | Assistant Hydrogeologist, Group B | 18 |
| Central Ground Water Board | Assistant Chemist, Group B | 2 |
| Central Ground Water Board | Assistant Geophysicist, Group B | 1 |
CutoffsPending verification
UPSC publishes stream- and stage-specific historical cutoff documents. No predicted 2026 cutoff is presented as official.
Previous-year papersPending verification
| 0 | 1 | 2 | 3 | 4 | 5 |
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| M | a | i | n | : | |
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| M | a | i | n | : |
Books & study sourcesNot loaded
Official & trusted free resourcesOfficial link available
| Name | Purpose | Url |
|---|---|---|
| Combined Geo-Scientist 2026 notification | Controlling source for posts, eligibility, dates, pattern and syllabus | Open ↗ |
| UPSC previous papers | Official Preliminary and Main papers by discipline | Open ↗ |
| UPSC cutoff marks | Official historical stream cutoffs | Open ↗ |
| UPSC application portal | Official application and candidate services | Open ↗ |
How to applyOfficial link available
- 1Choose the exact post and stream first; the degree list and specialist paper change by route.
- 2Create or use the UPSC Universal Registration Number and complete the Common Application Form.
- 3Complete the Preliminary examination-specific module, post preferences, documents, centre and fee.
- 4Save the submitted form. The 2026 Preliminary application window closed on 23 September 2025 at 18:00.
- 5Qualified candidates must complete the Main-stage process and later upload passing proof for interview when applicable.
FAQsPending verification
Do Preliminary marks count in final merit?
Yes. The final 1,200-mark merit total includes 400 Preliminary, 600 Main and 200 interview marks.
Does every candidate take the same specialist paper?
No. The specialist route is geology/hydrogeology, geophysics or chemistry, and the Main papers follow the post stream.
What were the 2026 examination dates?
The Preliminary examination was on 8 February 2026 and the Main examination was held on 20 and 21 June 2026.
Can final-year master's students apply?
The appearing-candidate provision allows provisional application, but interview-qualified candidates must provide valid proof of the required degree in the UPSC window.
Final eligibility and dates are always subject to the latest official notification. Content marked “Pending verification” is not presented as verified advice.