UPSC Combined Geo-Scientist Examination 2027: Apply Online for 127 Vacancies

The Union Public Service Commission (UPSC) has officially released the notification for the Combined Geo-Scientist Examination, 2027 (Notice No. 01/2027-GEOL), inviting applications from eligible science postgraduates to fill 127 vacancies.

These prestigious Group ‘A’ and Group ‘B’ positions are spread across the Geological Survey of India (GSI) under the Ministry of Mines and the Central Ground Water Board (CGWB) under the Ministry of Jal Shakti. The online application window is live from 2nd September 2026 and will remain open until 22nd September 2026 (up to 6:00 PM).

Recruitment Overview Matrix

Feature	Details
Conducting Body	Union Public Service Commission (UPSC)
Examination Name	Combined Geo-Scientist Examination, 2027 (CGSPE)
Examination Notice Number	Notice No. 01/2027-GEOL
Total Openings	127 Vacancies
Job Location / Deployment	Across India (GSI & CGWB Offices, Field Units, and Laboratories)
Application Mode	Online Only (via UPSC Online Portal)
Online Application Start Date	2nd September 2026
Last Date to Apply Online	22nd September 2026 (up to 6:00 PM)
Official Website Portal	upsconline.nic.in

Important Schedule & Timeline Matrix

Event Description	Official Dates & Timeline
Notification Release Date	2nd September 2026
Commencement of Online Registration	2nd September 2026
Closing Date & Time for Online Applications	22nd September 2026 (up to 6:00 PM)
Application Correction / Withdrawal Window	As per standard UPSC guidelines post-closure
Stage-I: Preliminary Examination Date	10th January 2027
Stage-II: Main Examination Dates	19th & 20th June 2027

Category and Post-Wise Vacancy Distribution

The 127 vacancies are divided between two primary categories:

Category-I: Geological Survey of India (GSI), Ministry of Mines — Total: 111 Posts

Post Name	Cadre Group	Vacancies
Geologist	Group A	29
Chemist	Group A	7
Assistant Geologist	Group B	34
Assistant Geophysicist	Group B	35
Assistant Chemist	Group B	6
Geophysicist	Group A	0 (Nil)

Category-II: Central Ground Water Board (CGWB), Ministry of Jal Shakti — Total: 16 Posts

Post Name	Cadre Group	Vacancies
Scientist ‘B’ (Hydrogeology)	Group A	5
Scientist ‘B’ (Chemical)	Group A	1
Scientist ‘B’ (Geophysics)	Group A	1
Assistant Hydrogeologist	Group B	7
Assistant Chemist	Group B	1
Assistant Geophysicist	Group B	1

Eligibility Criteria & Essential Parameters

1. Age Limit Specifications (As on 1st January 2027)

• Minimum Age: 21 Years
• Maximum Age: 32 Years
• Candidates must have been born not earlier than 2nd January 1995 and not later than 1st January 2006.
• Upper Age Relaxations:
  • SC / ST: 5 Years
  • OBC (Non-Creamy Layer): 3 Years
  • Persons with Benchmark Disabilities (PwBD): 10 Years
  • Government Servants / Defence Personnel: As per applicable government rules.

2. Educational Qualifications (Stream-Wise)

• For Geologist / Scientist ‘B’ (Hydrogeology) / Assistant Geologist / Assistant Hydrogeologist: 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 Hydrogeology from a recognized university.
• For Geophysicist / Scientist ‘B’ (Geophysics) / Assistant Geophysicist: M.Sc. in Physics, Applied Physics, Geophysics, Integrated M.Sc. (Exploration Geophysics), Applied Geophysics, Marine Geophysics, or M.Sc. (Tech.) Applied Geophysics.
• For Chemist / Scientist ‘B’ (Chemical) / Assistant Chemist: Master’s degree in Chemistry, Applied Chemistry, Analytical Chemistry, Physical Chemistry, Inorganic Chemistry, Organic Chemistry, Hydro-Chemistry, or Industrial Chemistry.

Application Fee Structure

• General, EWS, and OBC Male Candidates: ₹200/-
• Female Candidates, SC, ST, and PwBD Candidates: Nil (Fully exempted from fee payment).
• Payment Mode: Online via Net Banking, Debit/Credit Card, or UPI.

Selection Process Structure

The competitive examination comprises three sequential stages:

1. Stage-I: Preliminary Examination (Objective Type — 400 Marks):
   • Paper-I: General Studies (100 Marks, 2 Hours)
   • Paper-II: Geology / Geophysics / Chemistry stream-specific subject (300 Marks, 2 Hours)
   • Note: Carries a negative marking of one-third (0.33) marks for incorrect answers.
2. Stage-II: Main Examination (Descriptive Type — 600 Marks):
   • Comprises three descriptive papers (200 marks each) specific to the chosen branch.
3. Stage-III: Personality Test / Interview (200 Marks):
   • Conducted for candidates who clear the rigorous written cutoff standards to evaluate leadership, mental alertness, and analytical competence.

Step-by-Step Guide to Apply Online

1. Visit Official Portal: Go to the official UPSC online application website at upsconline.nic.in.
2. Complete One-Time Registration (OTR): If applying for the first time, generate your permanent Universal Registration Number (URN) by submitting basic profile and valid photo ID details.
3. Access Examination Module: Log in with your credentials, go to the active examinations dashboard, and select the “Combined Geo-Scientist Examination, 2027”.
4. Fill Common Application Form (CAF): Enter your personal details, academic background, and choose your preferred stream and preliminary exam center.
5. Upload Scanned Documents: Upload your recent photograph with live capture features, signature (signed multiple times in black ink on white paper), and essential academic certificates.
6. Pay Application Fee: Remit the ₹200 fee online (if applicable) and check final submission previews.
7. Submit & Save: Download the system-generated confirmation receipt and note down your application reference number.

🔗 UPSC Official Website Portal

🔗 Direct Link to Apply Online via UPSC Online Portal

📄 Download UPSC Combined Geo-Scientist Examination 2027 Notification PDF

Frequently Asked Questions (FAQs)

Q1: What is the last date to apply online for the UPSC Combined Geo-Scientist Exam 2027?

A: The online application portal closes on 22nd September 2026 at 6:00 PM.

Q2: How many total vacancies are announced under this notification?

A: A total of 127 vacancies have been announced across GSI and CGWB.

Q3: When is the UPSC Geo-Scientist Preliminary Examination scheduled to take place?

A: The Prelims exam is scheduled for 10th January 2027.

Q4: What is the age limit for UPSC Geo-Scientist 2027 recruitment?

A: Candidates must be between 21 and 32 years of age as of 1st January 2027 (born between 2nd January 1995 and 1st January 2006).

Q5: Are female candidates required to pay the application fee?

A: No, female candidates, along with SC, ST, and PwBD applicants, are completely exempted from paying the application fee.