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Combined GEO Scientist 2024 Exam

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About Combined GEO Scientist Exam

Union Public Service Commission (UPSC) conducts a Combined Geo-Scientist and Geologist Examination (CGGE) for recruitment and selection to the post of Geologist, Geophysicist and Chemist Group 'A' in GSI and Junior Hydro-geologist (Scientist 'B'), Group 'A' for Central Ground Water Board. Every year, the Commission releases the Combined Geo-Scientist and Geologist Examination notification in September to shortlist the candidates for the posts. The selection will be based on a competitive examination. Their admission at all the stages of the examination will be purely provisional subject to satisfying the prescribed eligibility conditions. Candidates who want to apply online for this entrance exam will have to check all the required details available on our website and the notification released by the official website. The examination shall be conducted according to the norms and conditions of the UPSC. Candidates competing for selection to the particular posts of Combined Geo-Scientist and Geologist Examination will be required to appear in all the subjects mentioned against the respective category. Aspirants should note that UPSC has revised scheme, pattern and syllabus of the Combined Geo-Scientist and Geologist Examination from 202, onwards. The CGGE examination will be held in three stages - Preliminary, Main and Personality Test. To know more take a look at the exam pattern on our website.


Combined GEO Scientist Exam Date

The UPSC Combined Geo-Scientist and Geologist Exam 2022 notification hasn't been released yet. All the details about important events and their related exam dates will be declared in the official notification.

Therefore, candidates are required to visit the official website of UPSC to get the latest details. Here are UPSC Geo-Scientist Exam Dates 2022 along with the other important dates on the exam:

Events Dates
Release of Official Notification and application form September 22, 2021
Last Date for Applying Online October 12, 2021
Admit Card (Prelims Exam) February 02, 2022 
Exam Date February 20, 2022.
UPSC Geo-Scientist Mains Admit Card June 2022 (Tentative)
UPSC Geo-Scientist Mains Exam From June 25, 2022 (2 days)
UPSC Geo-Scientist Results Announcement August 18, 2022
Date of UPSC Geo-Scientist Interview To be Notified
UPSC Geo-Scientist Final Result Announcement To be Notified

Combined GEO Scientist Eligibility

It is important to check the eligibility before applying for the UPSC GSI 2022. Here, we have provided complete details about the UPSC Combined Geo-Scientist Eligibility criteria. Check the eligibility criteria before applying for the UPSC Combined Geo-Scientist Examination 2022.

UPSC GSI Age Limit 2022

The candidate applying for the UPSC Geo-Scientist Combined Exam 2022 must fulfill the age criteria as per the official notification. The age criteria are based on the post provided below:

  • The candidate applying for the Geologist and Geophysicist and Chemist in the ministry of Mines post must have attained the age of 21 to 32 years.
  • The candidate applying for the central ministry of water resources post that is Jr. Hydrogeologist (Scientist B) must have attained the age of 21 to 35 years.
  • candidates belonging to the reserved category, Relaxations in the upper age limit will be provided. Mentioned in the table below:
Category Age Relaxation
SC/ ST 5 years
PWD 10 Years
OBC 3 Years
Defense Service Personnel 5 Years
ECOS/ SSCOs 5 Years
Domicile of Jammu and Kashmir during 1 st January 1980 to 31 st December 1989 5 Years
Govt. servants employed in GSI or Central Ground Water Board 7 Years

Educational Qualifications

Aspirants are required to hold a Master’s Degree or equivalent in the concerned discipline.

Geologist (Group ‘A’, GSI)

  • Geological Science
  • Mineral Exploration
  • Geology
  • Geo- Exploration
  • Applied Geology
  • Engineering Geology
  • Earth Science
  • Petroleum Geosciences
  • Geochemistry
  • Marine Geology
  • Resource Management
  • Oceanography
  • Geophysical Technology
  • Coastal Area Studies
  • Petroleum Exploration

Geophysicist Group ‘A’ in GSI

  • Candidate must have M.Sc. or M. Tech. degree from the below-mentioned subjects.
  • Applied Geophysics
  • Marine Geophysics
  • Physics
  • Applied Geophysics
  • Geophysics
  • Applied Physics
  • Integrated M.Sc. degree in Exploration Geophysics

Chemist Group ‘A’ in GSI

  • Aspirants must have an M.Sc. degree in Applied Chemistry or Chemistry or else Analytical Chemistry.

Junior Hydrogeologist (Scientist B) Group ‘A’

  • Aspirants must hold a Master’s degree in Geology/ Marine Geology/ Applied Geology or a Master’s in Hydrogeology.

Physical Standards
  • Aspirants should be physically fit for admission into the examination.

Combined GEO Scientist Vacancy

The UPSC Combined Geo-Scientist 2022 released the Notification on its website to recruit vacancies of different posts. More details about the UPSC Combined Geo-Scientist 2022 vacancies are provided here.

The details of vacancies, for which the exam will be conducted, will be given once the official notification is released.

Department Name of Post No. of Vacancies
Geological Survey of India, Ministry of Mines Geophysicist Group A 100
Geologist Group A 50
Chemist Group A 20
Ministry of Water Resources Scientist B (Chemical), Group A 1
Scientist B (Geophysics), Group A 1
Scientist B (Hydrogeology), Group A 20
Total 192

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Combined GEO Scientist Admit Card

UPSC Combined Geo-Scientist Application Admit Card 2022 will be released on the official portal three weeks before the exam date. However, the admit card of the exam will be separate for Prelims Exam, Mains, and Interview. The candidates who had applied for the Exam will be able to download the admit card from the official website soon using their login credentials.

How to Download UPSC Geo-Scientist Admit Card 2022?

Step 1: Check the official website of UPSC -

Step 2: Look for the UPSC Combined Geo-Scientist (Main) Examination, 2022 Admit Card Link, and click on it.

Step 3: You will get this link ‘E-Admit Cards for various Examinations of UPSC’ click on it.

Step 4: Fill in your registration id and date of birth.

Step 5: Your UPSC Geo-Scientist Admit Card will appear on your screen. Download it for future purposes.

Note- It is advisable to take 2 printouts of the Admit Card to be taken into the exam. The candidates can also take one photo id proof at the time of examinations along with the Admit Card.

Details on UPSC Geo-Scientist Admit Card

The UPSC Geo-Scientist Admit Card may contain the following details about the candidates.

  • Name
  • Date of Birth
  • Photograph
  • Registration number
  • Name of Exam Centre
  • Date of Exam
  • Reporting Time

Combined GEO Scientist Salary

The salary components of UPSC Combined Geo-Scientist 2022 are as follows:

  1. Daily Allowance
  2. Medical Facilities
  3. House Rent Allowance
  4. Transport Allowance
  5. Dearness Allowance
  6. Basic Pay

The Salary structure of UPSC Combined Geo-Scientist 2022 are as follows:

Components Salary
Basic Pay INR 56,100
House Rent Allowance INR 6,300
Transport Allowance INR 7,344
Dearness Allowance INR 1,122
Total INR 70,866

Combined GEO Scientist Syllabus

The UPSC combined Exam of Geo-Scientist is organized for a wide range of disciplines. The subject-wise syllabus for some of the most chosen ones is provided in detail below. The candidates can also refer to the official website of UPSC for more details about the syllabus.

Prelims Exam Syllabus

The subject-wise syllabus for the UPSC Combined Geo-scientist exam is listed below. The candidates must go through the list and acquire the best UPSC CGGE books for preparation.

General Studies

  • Current events of national and international importance.
  • History of India and Indian National Movement.
  • World Geography & Indian and -Social, Economic, Physical, Geography of India and the World.
  • Indian Governance & Polity -Political System, Public Policy, Rights Issues Constitution, Panchayati Raj, etc.
  • Social Development & Economic – Social Sector initiatives, Poverty, Inclusion, Sustainable Development, Demographics, etc.
  • Environmental Ecology General issues, Climate Change & Biodiversity – Which does not require subject specialization.
  • General Science


  • Physical geology
  • Paleontology
  • Sedimentology
  • Structural Geology
  • Stratigraphy
  • Economic Geology
  • Hydrogeology


  • Solid Earth Geophysics
  • Introduction to Geophysics and its branches
  • Mathematical Methods in Geophysics
  • Electromagnetism
  • Geophysical Prospecting
  • Remote Sensing and Thermodynamics
  • Nuclear Physics and Radiometry


  • Chemical periodicity
  • Chemical bonding and structure
  • Ionic bonding
  • Acids and bases
  • The theoretical basis of quantitative inorganic analysis
  • Kinetic theory and the gaseous state
  • Chemical thermodynamics and chemical equilibrium
  • Solutions of non-electrolytes
  • Electrochemistry
  • Basic organic chemistry
  • Stereochemistry
  • Types of organic reactions
  • Molecular Rearrangements

Mains Exam Syllabus

In the Mains syllabus, there are multiple papers for each of the subjects. The topics from each paper of each subject are listed below.

Geology Paper I

  • Stratigraphy
  • Paleontology
  • Geomorphology and Remote Sensing
  • Structural Geology
  • Sedimentology

Geology Paper II

  • Mineralogy and Geochemistry & Isotope Geology
  • Environmental Geology and Natural Hazards
  • Igneous Petrology
  • Metamorphic Petrology & Processes

Geology Paper III

  • Engineering Geology
  • Geology of fuels
  • Indian mineral deposits and mineral economics
  • Ore genesis and Geophysics
  • Mineral exploration
  • Economic geology


  • Occurrence and distribution of groundwater
  • Groundwater movement and well hydraulics
  • Water wells and groundwater levels
  • Groundwater exploration
  • Groundwater quality and management

Geo Physics Paper I

  • Mathematical methods in Geophysics
  • Geophysical Inversion
  • Mathematical Methods of Physics
  • Introductory Atmospheric and Space Physics
  • Thermodynamics and Statistical Physics
  • Solid Earth Geophysics
  • Earthquake and Engineering Seismology

Geo Physics Paper-II

  • Molecular Physics & Atomic and Characterization of Materials and Properties
  • Nuclear and Particle Physics
  • Classical Mechanics
  • Geophysical Potential Fields
  • Electromagnetic Theory
  • Electrical and Electromagnetic methods
  • Seismic Prospecting.Borehole Geophysics

Geo Physics Paper-III

  • Geophysical Signal Processing
  • Remote Sensing and GIS applications
  • Digital electronics, Radar systems, Satellite communications
  • Quantum Mechanics
  • Solid State Physics
  • Laser systems
  • Laser cavity modes
  • Electronics and devices
  • Airborne Geophysical surveys for Geological Mapping OR Radiometric Exploration.
  • Marine Geophysics

Chemistry Paper I

  • Chemistry of coordination compoundsAcid-Base reactions
  • Precipitation and Redox Reactions
  • Organo-metallic compounds
  • Nuclear chemistry
  • S-Block Elements
  • Chemical periodicity
  • Chemical Bonding and structure
  • p-Block Elements
  • Chemistry of d- and f- block elements

Chemistry Paper II

  • UV Spectra
  • PMR Spectra
  • Quantum Chemistry
  • Basic principles and application of spectroscopy

Chemistry Paper III

  • Thermodynamics and Equilibrium
  • Acids-bases and solvents
  • Solutions of non-electrolytes
  • Chemical kinetics and catalysis
  • Adsorption and Surface Chemistry
  • Treatment of samples for chemical analysis
  • Volumetric Analysis
  • The theoretical basis of Quantitative inorganic analysis
  • Gravimetric Analysis
  • Kinetic theory and the gaseous state
  • The Collision of gas molecules, Real gases
  • Application of the Second law of thermodynamics
  • Acid-base titrations
  • Redox Titrations
  • Potentiometer Complex metric titrations
  • Chromatographic methods of analysis
  • UV-Visible Spectroscopy
  • Flame photometry and Atomic absorption spectrometry
  • X-ray methods of Analysis
  • Inductively coupled plasma spectroscopy
  • Analysis of Minerals, Ores, and Alloys
  • Organometallic compounds
  • Bonding and physical properties
  • Aldol and related reactions
  • Mechanism of some reactions
  • Electrocyclic Reactions
  • Organic Reaction Mechanisms
  • Organic Spectroscopy

Combined GEO Scientist Exam Pattern

The UPSC Combined Geo-Scientist examination consists of three stages. Candidates have to clear the Prelims as well as the mains examination for the final interview selection. The candidates who qualify in the preliminary exam are shortlisted for the mains exam and then the final interview will proceed for the candidate. The appearing candidates can check out the previous year question papers to get references on the types of questions asked in the exams.

Below are all details of the UPSC Combined GEO Scientist and Geologist Examination 2022 Exam Pattern. Read some basic steps for all three stages:

Stage 1: Prelims Examination (Computer Based Objective Type Papers). This is the first stage that consists of 400 Marks.

Stage 2: Mains Examination (Descriptive type paper) consists of 600 Marks.

Stage 3: Personal Interview( Personality Test) Consists of 200 Marks.

Note- The Prelims Examination consists of 2 papers that will contain objective-type questions and the Main Exam will have 3 papers with descriptive-type questions.

UPSC CGGE Prelims Exam Pattern 2022

The preliminary exam is a computer-based online exam. The preliminary exam is an online computer-based test. The candidates have to check the option which is correct from the given options. The prelims exam is two hours long in total.

The general highlights of the CGGE Prelims exam for all the posts are given below.

Particulars Details
Mode of Exam Online Mode (CBT Exam)
Type of Questions Objective Type Questions (MCQs)
No. of Papers Two (Paper 1 and Paper 2)
Total Weightage 150 Marks (1 mark per question)
Duration of Exam 2 hours per paper
Negative Marking Criteria Negative Marking will be there

The following table consists of the details of Prelims exam papers and maximum marks according to the post.

Paper Subjects Post Max.Marks
One General Studies Geologist & Jr. Hydrogeologist 100
Two Geology/Hydrogeology 300
One General Studies Geophysicist 100
Two Geophysics 300
One General Studies Chemist 100
Two Chemistry 300
Total 400
UPSC CGGE 2022 Mains Exam Pattern

The candidates who qualify cutoff marks in the UPSC Prelims Exam are further shortlisted for the mains exam. The mains exam is an offline pen and paper-based exam to be completed within 3 hours.

The key details about the CGGE Mains exam are listed in the table below.

Particulars Details
Mode of Exam Offline Mode (Pen and Paper Exam)
Type of Questions Descriptive Questions
No. of Papers Three (Paper I, Paper-II, and Paper III)
Duration of Exam 3 hours for each paper

The below-given table lists the details of each paper of each posts along, including their marks and duration.

Subjects Post Max.Marks Duration
General English For all posts 100 180 Minutes
Geology Paper I Geologist 200 180 Minutes
Geology Paper II 200 180 Minutes
Geology Paper III 200 180 Minutes
Geophysics Paper I Geophysicist 200 180 Minutes
Geophysics Paper II 200 180 Minutes
Geophysics Paper III 200 180 Minutes
Chemistry Paper I Chemist 200 180 Minutes
Chemistry Paper II 200 180 Minutes
Chemistry Paper III 200 180 Minutes
Geology Paper I Jr. Hydrogeologist 200 180 Minutes
Geology Paper I 200 180 Minutes
Hydrogeology 200 180 Minutes
Total 600
UPSC CGGE Interview/ Personality Test 2022

There will be a Stage III called Personality Test for 200 marks. However, this does not include any minimum qualifying marks. The aspirants will be interviewed by the board which judges the suitability for the posts with Integrity of character leadership capacity, tact, social qualities, special attention to assess initiative, aptitude to adapt for field life, mental and physical energy powers of practical application intellectual curiosity. Marks obtained in the Personality Test will be considered for final merit.

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Combined GEO Scientist How to Apply

The candidates aspiring for the UPSC Combined Geo-Scientist Examination posts can apply for the Exam through the Official website of UPSC in online mode. However, the application form for the exam will be released on September 22, 2022, on the official website of UPSC. The candidates have to fill up the application form with minimum eligibility criteria. The UPSC Combined Geo-Scientist application form will be available on the official website till 6:00 pm. The steps to apply for the Combined Geo-Scientist exam are provided below.

Step 1:Search the official website of UPSC - upsconline.

Step 2: There will be an “Online Application for Various Examinations of UPSC, click on it.

Step 3: From the application list “click on Part I” Combined Geo-Scientist Pre Examination.

Step 4: Click on new registration and complete the registration process by filling in all the required details like community, nationality, and more.

Step 5: Select the centre of the exam.

Step 6: Log in using your credential and click on apply now.

Step 7: Complete your application form and proceed with the document upload like scanned image and photograph in the application form.

Step 8: Upload all the required documents in good quality and submit them.

Step 9: Proceed with the application fee payment process and pay your application fees online through any provided options.

Step 10: After successful fee payment, and submission of the form, keep a printout of the application form along with the fee payment receipt for future references.

UPSC Combined Geo-Scientist Application Application Fees 2022

The candidates should submit the application fees to complete their application process. The UPSC Combined Geo-Scientist Application Fees for various categories are provided below.

Category Application Fees
General INR 200
Other Backward Classes (OBC) INR 200
SC/ ST/ PwBD / Women Exempted

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Frequently Asked Questions (FAQ) Combined GEO Scientist Exam

Q. What is the Syllabus of Combined GEO Scientist Exam?
A. In this article Page, we have provided the latest syllabus of the Combined GEO Scientist exam. The syllabus of Combined GEO Scientist comprises the topics and sub-topics under sections, Knowledge of Combined GEO Scientist syllabus helps candidates to focus on their preparation and important areas of each subject.
Q. What is pattern of Combined GEO Scientist Exam?
A. In this article Page, we have provided the latest exam pattern of the Combined GEO Scientist exam . The pattern of comprises the subject wise pattern and no. of questions will come in exam, go to our article section of exam pattern for more details.
Q. Which is the best Mock test series for the Combined GEO Scientist Exam?
A. At Studyclap, candidates can practice a complete set of Mock Test Series, along with a free mock test designed by our well qualified and expert faculty Team.
Q. How to prepare for the Combined GEO Scientist Exam?
A. To prepare for Combined GEO Scientist exam, candidates should go through the exam syllabus and exam pattern, solve mock tests, practice previous years' question papers. Try to clear the concepts of each and every topic rather than cramming. Set a time to go over the chapters, Differentiate weak areas and work to improve them. Solve puzzles to improve logical skill.
Q. How to Download Combined GEO Scientist Exam Syllabus PDF?
A. Candidates can download Combined GEO Scientist exam syllabus PDF from our website for free. Candidates need to only register with us to download the exam syllabus.

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