UPSC conducts different exams every year for various posts. UPGGE is one of the exams conducted by it. Combined Geologist & Geo-Scientist examination is conducted once a year. The successful candidates are recruited for various posts such as Geologist, Geophysicist, Hydrogeologist, Chemist, etc.

The candidate has to clear a tough exam to get recruited. UPSC has revised exam pattern, syllabus and scheme in 2020. Now there will be three stages for the recruitment- Preliminary, Mains and Interview.

To know more about the exam details such as notification 2021-2022, salary, exam pattern, CGGE result, etc.

What is the Combined Geologist & Geo-Scientist Examination?

Union Public Service Commission conducts UGGE examination every year for recruitment of various posts such as Group ‘A’ Chemist, Scientist ‘B’ (Hydrogeology), Scientist ‘B’ (Chemical), Scientist ‘B’ (Geophysics), etc.

Candidates can easily apply for the exam via a website (online). Every year around September-October UPSC releases a  notification regarding the whole process of the exam.  Those who are interested should check for their eligibility and read other details from the website before applying.

UPSC Combined Geo-scientist and Geologist Exam Highlights

Exam Name UPSC Combined Geo-scientist and Geologist Exam
Authority Union Public Service Commission (UPSC)
Frequency Once in a year
Mode Offline
Level National
Vacancies 40
Phases 3 (Prelims, Mains and Interview)
Official Website 

UPSC Combined Geo-scientist and Geologist Exam Notification 2021

Events Exam Dates
Application form release date 10 October 2020
Last date to apply 7 October  2020
Admit Card (Prelims) 2 February 2021
Prelims Exam Date 21 February 2021
Admit Card (Mains)
Mains Exam Date 17 & 18 July 2021
Results To be declared
Interview To be announced
Final Result To be announced

Notification 2022

Events Exam Dates
Application form release date September 2022
Last date to apply October 2022
Admit Card (Prelims) December 2022
Prelims Exam Date January 2023
Admit Card (Mains) September 2023
Mains Exam Date October 2023
Results To be declared
Interview To be declared
Final Result To be declared

Also Read: List of Exams Conducted by UPSC: Everything You need to know about UPSC Exams

Exam Pattern of UPSC CGGE

There are three phases for the recruitment of UPSC CGGE examination: Preliminary examination, Mains examination and Interview.

# Stage I: Preliminary examination will have two papers for the selection of candidates for the mains exam. It will be conducted in an online (computer) model and will have the objective type of questions. This paper carries 400 marks.

Stream I: Geologist & Jr. Hydrogeologist

Stream-I: Scientist B (Hydrogeology
Subject Duration Maximum Mark
Paper-I: General Studies 2 hours 100 Marks
Paper-II: Geology/Hydrogeology 2 hours 300 Marks

Stream II: Geophysicist

Stream-II: Scientist ‘B’(Geophysics)
Subject Duration Maximum Mark
Paper-I: General Studies 2 hours 100 Marks
Paper-II: Geophysics hours 300 Marks
Total 400 Marks

Stream III: Chemist

Stream-III: Chemist and Scientist ‘B’(Chemical)
Subject Duration Maximum Mark
Paper-I: General Studies 2 hours 100 Marks
Paper-II: Chemistry 2 hours 300 Marks
Total 400 Marks

# Stage II: The mains examination will have three papers. It will be descriptive and selected candidates will proceed to the next stage interview. This paper carries 600 marks.

Stream-I: Scientist ‘B’(Hydrogeology)
Subject Duration Maximum Marks
Paper-I: Geology 3 Hours 200 Marks
Paper-II Geology 3 Hours 200 Marks
Paper-III: Hydrogeology 3 Hours 200 Marks
Total 600 Marks


Stream-II Scientist ‘B’ (Geophysics)
Subject Duration Maximum Marks
Paper-I: Geophysics 3 Hours 200 Marks
Paper-II: Geophysics 3 Hours 200 Marks
Paper-III: Geophysics 3 Hours 200 Marks
Total 600 Marks


Stream-III: Chemist & Scientist ‘B’ (Chemical)
Subject Duration Maximum Marks
Paper-I: Chemistry 3 Hours 200 Marks
Paper-II: Chemistry 3 Hours 200 Marks
Paper-III: Chemistry 3 Hours 200 Marks
Total 600 Marks

# Stage III: Interview is the last stage of the UPSC CGGE examination. It is a face to face interview where a candidate is assessed according to their leadership, intellectual capacity, mental ability, mental alertness, etc. The interview carries 200 marks.

Examination Centre

Preliminary Examination









































Mains Examination


Important Note

Candidates will be allocated centres on a first-apply-first-allot basis. Therefore once a centre ceiling limit is touched no more candidates will be accepted for the same. They will be required to choose among the remaining ones.

Exceptions are Delhi, Dispur, Kolata and Ahmedabad.

Vacancies 2020-2021

Ministry Posts Vacancies
Posts in the Geological Survey of India, Ministry of Mines Chemist, Group A 15
Posts in the Central Ground Water Board, Ministry of Water Resources Scientist ‘B’(Hydrogeology), Group ‘A’ 16
Scientist ‘B’(Chemical ) Group ‘A’ 03
Scientist ‘B’(Geophysics) Group ‘A’ 06

Also Read: How to Tackle UPSC Questions on Climatology? Climatology Notes for UPSC Geography

Application Procedure of UPSC CGGE

# Candidates can apply for the exam online from the official website.

# The application form is divided into two parts: Part I and II.

# Part I is called Enlistment. It covers the name, age, address, phone number, email id, etc.

# Then the login credentials will be sent to the respective email and phone number.

# Candidates will have to log in using credentials and complete part 2.

# Candidates also have to submit their photographs and signature.

# Candidates also have to choose test centres for preliminary and mains exams.

#, At Last, they have to pay the Application fees.

Application Fees

Candidates have to pay their fees by :

# Remitting money in any branch of SBI.

# Candidates can also pay cash by submitting money at the centre of the SBI Branch.

# For online candidates can either pay their fines online using a Debit/Credit card or Internet banking.

Also Read: UPSC CSE Mains Geology Syllabus

Eligible Criteria of UPSC CGGE

A candidate interested to apply for the exam must fulfil the required eligibility as provided by the commission. Candidates should have an original document of each condition that will be inquired in the Personality interview.


A candidate must be:

# A Citizen of India

# A Subject of Nepal

# A Subject of  Bhutan

# A Tibetan refugee who came to India before 1 January 1962.

# A person of Indian origin migrated from any of these countries: Pakistan, Burma, Sri Lanka, Kenya, Uganda, the United Republic of Tanzania, Zambia, Malawi, Zaire or Ethiopia.

Age Limits

Commission prescribes different criteria for different posts:

# Chemist (Group A) in the geological Survey of India: A candidate must have attained the age of 21 years and not be more than 32 years on 1 January of the year of exam commencement.

# Scientist ‘B’ Hydrogeology, Chemical, Geophysics in Central Groundwater Board, Ministry of Water Resources: A candidate must have attained the age of 21 years and not be more than 32 years on 1 January of the year of exam commencement.

Age Relaxation

If a person is employed in the GeoscientistGeological Survey of India or Central Ground Water Board he will be given 7 years of age relaxation in Chemist Group ‘A’, Scientist ‘B’ Group ‘A’ (Hydrogeology), (Chemical), (Geophysics) respectively.

For others age relaxation will be given as below:

Category Age Relaxation
SC/ST 5 years
OBC 3 years
Defence Services Personnel 3 years
Ex-Servicemen 5 years
Commissioned Officers and ECOs/SSCOs 5 years
PWD 10 years

Education Qualification for UPSC CGGE

Posts Education Qualification
Chemist Gr ‘A’ in Geological Survey of India and Scientist ‘B’(Chemical) Group ‘A’ Central Ground Water Board Masters of Science in:

# Applied Chemistry

# Chemistry

# Analytical Chemistry

Scientist ‘B’(Hydrogeology) Group ‘A’ Central Ground Water Board Master’s degree in:

# Geology

# Marine Geology

# Hydrogeology

Scientist ‘B’(Geophysics) Group ‘A’ in Central Ground Water Board Masters of Science in:

# Physics

# Applied Physics

# Geophysics

# Applied Geophysics

# Marine Geophysics

# Integrated M.Sc in Exploration Geophysics

# M.Sc in Technology from Applied Physics

Also Read: UPSC Geo-Scientist 2021 Syllabus: Combined Geo-Scientists and Geologists Examination

UPSC CGGE Syllabus

Syllabus of Combined Geoscientist Examination (Preliminary)

Paper I (Common Paper for all Stream )
Current events of national and international importance
History of India and Indian National Movement
Indian and World Geography -Physical, Social, Economic Geography of India and the World.
Indian Polity and Governance -Constitution, Political System, Panchayati Raj, Public Policy, Rights Issues, etc.
Economic and Social Development – Sustainable Development, Poverty, Inclusion, Demographics, Social Sector initiatives, etc.
General issues on Environmental Ecology, Biodiversity and Climate Change
General Science
Paper-II: Geology/ Hydrogeology
Physical Geology
Structural Geology
Igneous Petrology
Metamorphic Petrology
Economic Geology
Paper-II (Geophysics)
Solid Earth Geophysics
Mathematical Methods in Geophysics
Geophysical Prospecting
Remote Sensing and Thermodynamics
Nuclear Physics and Radiometry
Paper-II (Chemistry)
Chemical periodicity
Chemical bonding and structure:

# Ionic bonding

# Covalent bonding

# Coordinate 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
Basic organic chemistry
Types of organic reactions:

# Aliphatic substitution reactions

# Elimination reactions

# Addition reactions

# Electrophilic and nucleophilic aromatic substitution

Molecular Rearrangements

Mains Examination

Scientist ‘B’(Hydrogeology)
Paper I Geology)
Physical geology and remote sensing
Structural geology


Paper-II (Geology)
Geochemistry and isotope geology
Igneous petrology
Metamorphic petrology


Paper III (Hydrogeology)

Occurrence and distribution of groundwater

Groundwater movement and well hydraulics
Water wells and groundwater levels
Groundwater exploration
Groundwater quality and management
Scientist ‘B’(Geophysics)
Paper-I (Geophysics)
Part A
Solid Earth Geophysics
Earthquake Seismology
Mathematical methods in Geophysics
Geophysical Inversion
Part B
Mathematical Methods of Physics
Electromagnetic Theory
Introductory Atmospheric and Space Physics


Paper II (Geophysics)
Part A
Potential Field (Gravity and Magnetic) Methods
Electrical and Electromagnetic methods
Seismic Prospecting
Borehole Geophysics
Part B
Classical Mechanics
Thermodynamics and Statistical Physics
Atomic and Molecular Physics and Characterization of materials
Nuclear and Particle Physics


Paper III (Geophysics)
Part A
Radiometric and Airborne Geophysics
Marine Geophysics
Geophysical Signal Processing
Remote Sensing and Geohydrology
Part B
Solid State Physics and Basic Electronics
Laser systems
Digital electronics, Radar systems, Satellite communications
Quantum Mechanics
Chemist and Scientist ‘B’(Chemical)
Paper I (Inorganic Chemistry)
Inorganic solids
Chemistry of coordination compounds
Gravimetric Analysis
Redox Titrations
Complexometric titrations
Organometallic compounds
Nuclear chemistry
Chemistry of d- and f-block elements


Paper-II (Physical Chemistry)
Kinetic theory and the gaseous state
Chemical thermodynamics and chemical equilibrium
Chemical kinetics and catalysis
Quantum chemistry
Basic principles and applications of spectroscopy


Paper III (Analytical and Organic)
Part A (Analytical Chemistry)
Errors in quantitative analysis
Separation Methods: Chromatographic analysis, Solvent extraction
Spectroscopic methods of analysis: UV-Visible Spectroscopy, Infra-red Spectrometry, Flame atomic absorption and emission spectrometry
Thermal methods of analysis
X-ray methods of Analysis
Inductively coupled plasma spectroscopy
Analysis of geological materials
PART B (Organic chemistry)
Unstable, uncharged intermediates
Addition reactions: Addition to C-C multiple bonds, Addition to carbon-heteroatom multiple bonds
Reactions at the carbonyl group
Oxidation and Reduction
Electrocyclic Reactions
Spectroscopic methods of analysis: Infrared spectroscopy, Ultraviolet spectroscopy, Nuclear Magnetic Resonance Spectrometry, Mass spectrometry


The details of the UPSC Combined Geo-Scientist salary structure is encoded as per the 7th Pay Commission.  The basic pay scale of UPSC CGGE is from INR 15,600 to 39,100. Moreover, the grade pay is INR 5,400 according to the 7th Pay Commission.

Additional Benefits include:

# Health Insurance

# Residence

# Subsidized Bills

# Job Security

# Pension

# Paid  leaves

Annual Package for UPSC Combined GeoScientist

The annual package starts from INR 6,00,000. This includes additional allowances such as:

# House Rent Allowance

# Travelling Allowance

# Dearness Allowance

The overall hand-in salary is around INR 50,000.

UPSC CGGE Result 2021

The results of all stages of UPSC CGGE will be declared on the official website of UPSC. The preliminary exam result was declared on 25 March. The dates of mains are yet to be declared.


UPSC CGGE is conducted by UPSC. It is a prestigious exam for the recruitment of Group ‘A’ posts in Geologist, Geophysicist and Chemist, and Group ‘B’ posts in Junior Hydrologists. Have you appeared in CGGE mains on 17 and 18 July? If yes, then prepare for your interview with UPSC Pathshala.

UPSC Pathshala is a website devoted to various exams conducted by UPSC. You can prepare for your exams with the help of this website. It offers you courses at the best prices, high-quality education videos, preparation materials, and many more.

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UPSC conducts different exams for various posts, CGGE or Combined Geo-Scientist and Geologist Examination is one of them. Successful candidates are recruited in various posts.
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Shilpa is a professional web content writer and is in deep love with travelling. She completed her mass communication degree and is now dedicatedly playing with words to guide her readers to get the best for themselves. Developing educational content for UPSC, IELTS aspirants from breakthrough research work is her forte. Strongly driven by her zodiac sign Sagittarius, Shilpa loves to live her life on her own notes and completely agrees with the idea of ‘live and let live. Apart from writing and travelling, most of the time she can be seen in the avatar of 'hooman' mom to her pets and street dogs or else you can also catch her wearing the toque blanche and creating magic in the kitchen on weekends.

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