UPSC Combined Geo-Scientist Examination 2027: Apply Online for 127 Group A & Group B Posts in GSI and CGWB
Recruitment Stages & Upcoming Exam Milestones
Official selection stages and schedule updates as notified by Union Public Service Commission
Online Application Window
Application window closed on 22 Sept 2026
Stage 1: Stage-I Preliminary Examination (Objective Type
400 Marks: Paper I General Studies 100 Marks + Paper II Stream Specific 300 Marks, 1/3rd Negative Marking)
Stage 2: Stage-II Main Examination (Descriptive Type
3 Papers of 200 Marks each = 600 Marks)
Stage 3: Stage-III Personality Test / Personal Interview
(200 Marks conducted by UPSC Board)
Stage 4: Original Document Verification
(Scrutiny of Postgraduate Degree, OTR Claims & Category Proof)
15-Second Executive Decision Summary
Verified key decision factors extracted directly from official notification
127
Geologist, Group 'A' (Geological Survey of India), Chemist, Group 'A' (Geological Survey of India), Assistant Geologist, Group 'B' (Geological Survey of India)
21 – 32 Yrs
as on 1 Jan 2027
₹47,600–₹1,77,500
View In-Hand SimulatorAbout this Recruitment
Union Public Service Commission (UPSC) has officially published the notification for Combined Geo-Scientist Examination 2027 (Advt No. 01/2027-GEOL) for recruitment to 127 Group 'A' and Group 'B' vacancies across the Geological Survey of India (Ministry of Mines) and the Central Ground Water Board (Ministry of Jal Shakti). Eligible postgraduate degree holders in Geology, Geophysics, Chemistry, or Hydrogeology can submit their online recruitment applications via upsconline.nic.in between 2 September 2026 and 22 September 2026 (until 18:00 hrs). The Stage-I Preliminary Examination will be conducted on 10 January 2027 across designated centres across India.
✨ Copilot Highlights
- 127 Prestigious Group 'A' and Group 'B' Gazetted posts in GSI and CGWB under Government of India.
- Pay Level 10 (₹56,100–₹1,77,500) for Group A and Pay Level 8 (₹47,600–₹1,51,100) for Group B.
- Online registration and One Time Registration (OTR) window open from 2 September to 22 September 2026 (6:00 PM).
- Preliminary Examination scheduled for 10 January 2027 with objective-type papers (400 Marks).
- Comprehensive 7-day correction window available from 23 September to 29 September 2026.
- All Female, SC, ST, and PwBD candidates are 100% exempted from payment of the examination fee.
Age Limit & Eligibility Calculator
Minimum Age
21 Years
Maximum Age
32 Years
* Age calculated as on: 1 January 2027
Category-Wise Age Relaxations:
⚡ Am I Eligible? (Instant Age & Cut-off Verifier)
Select your DOB and category (Calculated as on 1 January 2027)
Important Dates & Timeline
Notification Released
2 September 2026
Application Start Date
2 September 2026
Last Date to Apply
22 September 2026
Exam Date
10 January 2027
Vacancy Breakdown
| Post Name | Vacancies | Eligibility |
|---|---|---|
| Geologist, Group 'A' (Geological Survey of India) | 29 | M SC |
| Chemist, Group 'A' (Geological Survey of India) | 7 | M SC |
| Assistant Geologist, Group 'B' (Geological Survey of India) | 34 | M SC |
| Assistant Geophysicist, Group 'B' (Geological Survey of India) | 35 | M SC |
| Assistant Chemist, Group 'B' (Geological Survey of India) | 6 | M SC |
| Scientist 'B' (Hydrogeology), Group 'A' (Central Ground Water Board) | 5 | M SC |
| Scientist 'B' (Chemical), Group 'A' (Central Ground Water Board) | 1 | M SC |
| Scientist 'B' (Geophysics), Group 'A' (Central Ground Water Board) | 1 | M SC |
| Assistant Hydrogeologist, Group 'B' (Central Ground Water Board) | 7 | M SC |
| Assistant Chemist, Group 'B' (Central Ground Water Board) | 1 | M SC |
| Assistant Geophysicist, Group 'B' (Central Ground Water Board) | 1 | M SC |
Pay Scale & In-Hand Salary Simulator
Pay Level / Grade: Pay Level 10 (₹56,100 – ₹1,77,500) for Group 'A' posts and Pay Level 8 (₹47,600 – ₹1,51,100) for Group 'B' posts under the 7th CPC plus DA, HRA, Transport Allowance and Central Government benefits.
Official Pay Scale
₹56,100 - ₹1,77,500 (Group A) / ₹47,600 - ₹1,51,100 (Group B)
₹90,523
/ month (take-home)Credited directly to the candidate's salary account after statutory NPS (10%) and medical deductions.
Approx Annual Gross (CTC)
₹11.96 LPA
Verified Statutory Pay Rules & Legal Disclaimer
Statutory Rules Disclaimer: The in-hand salary figures displayed above are illustrative estimates computed under 7th Central Pay Commission (7th CPC) / State Government Pay Matrix norms (Basic Pay + Dearness Allowance + City-Tier HRA + Transport Allowance minus statutory 10% NPS and health insurance contributions). Actual net monthly take-home on the candidate's official pay slip will vary based on exact posting location, city classification, entitlement/opting of government quarters (which waives HRA), and department-specific allowances. For binding statutory terms, please refer to the official recruitment notification.
Exam Pattern & Detailed Syllabus
Official exam stages, subject marks distribution & interactive preparation tracker
Stage-I: Preliminary Examination (Objective Type)
Exam Mode: Computer Based Test / OMR
| Subject / Section | No. of Questions | Max Marks | Duration |
|---|---|---|---|
| Paper-I: General Studies (Common to all streams) | 100 | 100 | 120 min |
| Paper-II: Discipline Stream (Geology / Geophysics / Chemistry) | 120 | 300 | 120 min |
Interactive Syllabus & Topic Study Tracker
Check off topics as you study — progress automatically saves to your browser.
General Studies (Paper-I)
0 / 7 doneGeology / Hydrogeology
0 / 7 doneGeophysics
0 / 6 doneChemistry
0 / 6 doneHow to Apply Online: Step-by-Step Guide
Keep all required educational certificates, scanned photograph, and signature ready before opening the application form.
Visit the official UPSC online portal at https://upsconline.nic.in.
Complete or update your One Time Registration (OTR) profile with valid personal and educational details.
Log in to the dashboard using your registered OTR email ID / mobile number and OTP.
Navigate to 'Latest Notifications' and locate 'Combined Geo-Scientist Examination 2027 (01/2027-GEOL)'.
Fill Part-I Registration: Select your educational qualification stream and order of preferences between GSI and CGWB posts.
Fill Part-II Registration: Select your preferred examination centre for Stage-I Preliminary examination.
Pay the application fee of ₹200 (if applicable) through SBI Net Banking, Credit/Debit Card, or UPI.
Upload scanned recent passport photograph and signature conforming strictly to UPSC specifications.
Preview the complete application form, agree to the declaration, and submit the form before 22 September 2026 (18:00 hrs).
Download and take a printout of the final submitted Application Form along with registration slip for future reference.
Recent Passport Size Photograph
JPG format, 350x350 to 1000x1000 pixels, file size 20 KB to 300 KB, clear face without cap/dark glasses
Scanned Signature
JPG format, 350x350 to 1000x1000 pixels, file size 20 KB to 300 KB, signed with black ink on white paper
Photo Identity Proof (Aadhaar / Voter Card / PAN / Passport)
PDF format, file size 20 KB to 300 KB, clearly readable
Postgraduate Degree / Provisional Certificate
Original document required during Stage-II Main examination submission
Need official 20KB–50KB Photo & Signature for this form?
Over 15% forms are rejected due to invalid dimensions. Crop, compress & stamp Name/DOP in 100% private 1-click studio.
Application Fee Details
Payment Modes: State Bank of India (SBI) Net Banking, Visa / MasterCard / RuPay Debit & Credit Cards, UPI Gateway, Cash Payment via SBI Branch Challan (Pay-in-slip)
Selection Process
Frequently Asked Questions
What is the last date to apply online for UPSC Combined Geo-Scientist 2027?
The online application window on upsconline.nic.in closes strictly at 18:00 hrs (6:00 PM) on 22 September 2026. Candidates are strongly advised to submit their applications well before the closing hours to avoid server congestion.
What is the age limit for UPSC Combined Geo-Scientist Examination 2027?
Candidates must be between 21 and 32 years of age as on 1 January 2027 (born not earlier than 2 January 1995 and not later than 1 January 2006). Standard age relaxations apply: 5 years for SC/ST, 3 years for OBC (NCL), and up to 10–15 years for PwBD candidates.
What are the educational qualifications required for Geologist posts?
Candidates must hold a Master's degree in Geological Science or Geology or Applied Geology or Geo-Exploration or Mineral Exploration or Engineering Geology or Marine Geology or Earth Science and Resource Management or Oceanography and Coastal Areas Studies or Petroleum Geosciences from a recognized university.
What is the exam pattern for UPSC Geo-Scientist Stage-I Prelims?
Stage-I is a Computer Based / OMR examination comprising 2 papers totaling 400 marks: Paper-I is General Studies (100 Marks, 2 Hours) common to all streams, and Paper-II is stream-specific discipline (Geology / Geophysics / Chemistry / Hydrogeology, 300 Marks, 2 Hours). There is 1/3rd negative marking for every incorrect answer.
When will the UPSC Geo-Scientist Prelims Exam 2027 take place?
The UPSC Stage-I Preliminary Examination is officially scheduled to be conducted on Sunday, 10 January 2027 at designated examination centres across India.
What is the application fee for UPSC Geo-Scientist 2027?
General, OBC, and EWS male candidates are required to pay ₹200. All Female candidates and candidates belonging to SC, ST, and PwBD categories are completely exempted from payment of the examination fee.
Is One Time Registration (OTR) mandatory for applying to UPSC Geo-Scientist 2027?
Yes, One Time Registration (OTR) on the upsconline.nic.in portal is mandatory. Candidates already registered must log in with their OTR credentials, while first-time applicants must complete the OTR profile before filling the examination form.
What is the salary structure for UPSC Geo-Scientist posts?
Group 'A' officers (Geologist, Chemist, Scientist 'B') are appointed in Pay Level 10 (₹56,100 to ₹1,77,500) with starting gross salary exceeding ₹1,00,000 per month. Group 'B' officers (Assistant Geologist, Assistant Geophysicist, Assistant Chemist) are appointed in Pay Level 8 (₹47,600 to ₹1,51,100) with starting gross salary around ₹85,000 per month.
Can final year Master's degree students apply for this exam?
Yes, candidates appearing in the qualifying Master's degree examination are eligible to apply provisionally, provided they produce proof of having passed the examination at the time of Stage-II Main Examination submission.
Is there any negative marking in the Stage-I Prelims test?
Yes, there is negative marking of one-third (0.33) of the marks assigned to that question for every incorrect response in the Stage-I Preliminary examination.
Last Date to Apply
22 September 2026
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Open 1-Click ResizerOfficial Verified Sources
UPSC Combined Geo-Scientist Examination 2027 Official Notification PDF
https://www.upsc.gov.in/sites/default/files/Notif-CGSPE-2027-Engl-020926.pdf
UPSC Official Online Application Portal (OTR & Form Submission)
https://upsconline.nic.in
Union Public Service Commission (UPSC) Official Website
https://www.upsc.gov.in
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