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

UPSC Combined Geo-Scientist Examination 2027

UPSC Combined Geo-Scientist Examination 2027 notification has been officially released by the Union Public Service Commission to recruit 127 candidates. Eligible Master’s Degree holders can apply online for prestigious positions, including Geologist, Geophysicist, Chemist, and Scientist ‘B’ in the Geological Survey of India (GSI) and the Central Ground Water Board (CGWB).

Key Update: Online applications are open from September 2, 2026, to September 22, 2026 through the official UPSC portal.

Overview

Organization	Union Public Service Commission (UPSC)
Exam Name	UPSC Combined Geo-Scientist Examination 2027
Advertisement No.	01/2027-GEOL
Total Vacancies	127 Posts
Application Mode	Online
Start Date	September 2, 2026
Last Date	September 22, 2026
Prelims Exam Date	January 10, 2027
Mains Exam Date	June 19 & 20, 2027
Helpline Contact	011-24041001 / 011-40303444 \| [email protected]
Official Website	upsc.gov.in

Also Read: Bank of Baroda LBO Recruitment 2026: Apply Online →

Vacancy Breakdown

Category I: Geological Survey of India (GSI)

Post Title	Group	Vacancies
Geologist	Group A	29
Geophysicist	Group A	0
Chemist	Group A	7
Assistant Geologist	Group B	34
Assistant Geophysicist	Group B	35
Assistant Chemist	Group B	6
Total Posts (GSI)		111

Category II: Central Ground Water Board (CGWB)

Post Title	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
Total Posts (CGWB)		16

Eligibility Criteria

1. Educational Qualifications

Post Title	Required Qualification
Geologist (Group A) / Assistant Geologist (Group B)	Master’s Degree in Geological Science, Geology, Applied Geology, Mineral Exploration, Marine Geology, Earth Science, Petroleum Geosciences, or Geochemistry.
Geophysicist (Group A) / Assistant Geophysicist (Group B) / Scientist ‘B’ Geophysics	M.Sc. in Physics, Applied Physics, Geophysics, Exploration Geophysics, Applied Geophysics, or Marine Geophysics.
Chemist (Group A) / Assistant Chemist (Group B) / Scientist ‘B’ Chemical	M.Sc. in Chemistry, Applied Chemistry, or Analytical Chemistry.
Scientist ‘B’ Hydrogeology (Group A) / Assistant Hydrogeologist (Group B)	Master’s Degree in Geology, Applied Geology, Marine Geology, or Hydrogeology.

2. Age Limit & Relaxation

Candidates must be between 21 and 32 years of age as of January 1, 2027 (Born between January 2, 1995, and January 1, 2006).

OBC Candidates: 3 Years Upper Age Relaxation
SC/ST Candidates: 5 Years Upper Age Relaxation
PwBD Candidates: 10 Years Upper Age Relaxation

3. Application Fee

Category	Fee Amount
Female / SC / ST / PwBD	Nil (Exempted)
All Others	₹ 200/-

Selection Process & Exam Pattern

The selection scheme for the UPSC Combined Geo-Scientist Examination consists of three successive stages: Prelims, Mains, and the Personality Test.

Stage	Exam Type	Maximum Marks
Stage-I	Preliminary Examination (Objective Type – 2 Papers)	400
Stage-II	Main Examination (Descriptive Type – 3 Papers)	600
Stage-III	Personality Test / Interview	200

Stage-I Prelims Structure

Stream	Paper-I (General Studies)	Paper-II (Stream-Specific)	Total
Geology / Hydrogeology	100 Marks (2 Hrs)	300 Marks (2 Hrs)	400
Geophysics	100 Marks (2 Hrs)	300 Marks (2 Hrs)	400
Chemistry	100 Marks (2 Hrs)	300 Marks (2 Hrs)	400

Stage-II Mains Structure

Stream	Paper I	Paper II	Paper III	Total Marks
Geology / Hydrogeology	200 Marks	200 Marks	200 Marks	600
Geophysics	200 Marks	200 Marks	200 Marks	600
Chemistry	200 Marks	200 Marks	200 Marks	600

How to Apply Online

Follow these simple steps to complete your online registration for the UPSC Combined Geo-Scientist Examination:

Scroll down to the ‘Important Web-Links’ section.
Click on Online Application Form.
Register or Log in on the UPSC OTR (One Time Registration) portal.
Fill in your personal, academic, and qualification details accurately.
Upload your recent photograph, signature, and valid Photo ID proof.
Pay the required application fee using Net Banking, Debit/Credit Card, or UPI.
Submit the application and download a printable copy of the confirmation page for future reference.

Important Web-Links

Online Application Form – Click Here Official Notification – Click Here Official Website – Click Here

Conclusion

The UPSC Combined Geo-Scientist Examination offers an exceptional career opportunity for Master’s degree holders in Geology, Geophysics, and Chemistry. Interested candidates should complete their OTR registration and submit their online applications on the official UPSC portal before the deadline on September 22, 2026.

Frequently Asked Questions (FAQs)

What is the last date to submit the application form?

The last date to submit the online application is September 22, 2026 (till 6:00 PM).

When will the preliminary examination be held?

The Preliminary examination is scheduled for January 10, 2027.

Is there an application fee for female candidates?

No, Female, SC, ST, and PwBD candidates are fully exempted from paying the application fee.

Dev Kirtonia

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