Combined Geo-Scientist Exam

What is CGGE 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 2020, 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 And Geologist Exam Highlights 

Exam name  Combined Geo-Scientist and Geologist Examination
Conducted by  Union Public Service Commission (UPSC)
Frequency Once a year
Application mode  Online 
Exam mode  Offline
Preliminary  Objective-type
Main exam  Descriptive-type
Number of vacancies  102
No of test centres  19
Expected registrations  Approximately 2 lakh 
Duration of the examination  3 days 
Official website 


The UPSC has released the dates of CGGE 2021. According to the UPSC calendar 2021, the CGGE Stage-I will take place on February 21, 2021. The Stage-II will be held from July 17th & 18th, 2021. 

CGGE 2021 (Preliminary Exam) Dates

Sl.No Name of Examination Date of Notification Last Date For Receipt Of Applications Date of Exam Duration
1 CGGE 2021 October 07, 2020 October 10, 2020 Fbruary 21, 2021 1 Day

Combined Geo-Scientist (Preliminary) Exam 2021 Time Table 

Date Time Paper Subject
February 21, 2020

9.30 AM to 11.30 AM Paper-1 General Studies (Common for all)
2 PM to 4 PM Paper2 Stream specific subject paper


1. Chemistry

2. Hydrogeology 

3. Chemical 

4. Geophysics 

Combined Geo-Scientist (Main) Exam Time-table 2021

Date Time Subject
July 17, 2021 (Saturday)

9 am to 12 noon Geology Paper-I
9 am to 12 noon Geophysics Paper-I
9 am to 12 noon Chemistry Paper-I
2 pm to 5 pm Geology Paper-II
2 pm to 5 pm Geophysics Paper-II
2 pm to 5 pm Chemistry Paper-II
July 18, 2021 (Sunday)

9 am to 12 noon Geology Paper-III
9 am to 12 noon Geophysics Paper-III
9 am to 12 noon Chemistry Paper-III
2 pm to 5 pm Hydrogeology 

Combined Geo-Scientist And Geologist Notification 2021

The UPSC has released the Combined Geo-Scientist And Geologist Exam (CGGE) notification on October 07, 2020. Candidates who are aiming for the CGGE can register online until October 10, 2020. Aspirants should explore the official notification to check the total number of vacancies.

Click here to download CGGE notification 2021

Combined Geo-Scientist And Geologist Number Of Vacancies 2021

Annually, the UPSC releases the CGGE notification for shortlisting the candidates to the posts in the Geological Survey of India under the Ministry of Mines and the Central Ground Water Board under the Ministry of Water Resources. The total number of vacancies released for CGGE 2020 are given below. 

Posts Vacancies
Category I: (Posts in the Geological Survey of India, Ministry of Mines)
Geologist, Group A 79
Geophysicist, Group A 05
Chemist, Group A 15
Category II: (Posts in the Central Ground Water Board, Ministry of Water Resources)
Junior Hydrogeologists (Scientist B) 03
Total 102

Candidates have to note that the above vacancies also include the reservation for Persons with Benchmark Disability. The above numbers of vacancies are liable to alteration. Reservation will be provided to candidates belonging to SC, ST, OBC, EBC and PWD based on the vacancies as may be fixed by the Government. 

Combined Geo-Scientist And Geologist Examination Application Form 2021

Interested candidates can register online for the UPSC CGGE exam through the official website. The online application window will be activated from October 07 to October 10, 2020. Candidates are advised to refer the CGGE application form page for complete information. 

  • Visit the UPSC's website – 
  • Go to online applications for various examinations of UPSC
  • Find the CGGE application link
  • Start filling-up all the application details
  • Upload the scanned photograph and signature
  • Pay the application fee 
  • Submit the application details 
  • Download the CGGE application form and take a printout of the same for future reference. 

Combined Geo-Scientist Application Fee 

Candidates should pay the prescribed application fee to complete the application process. The application form is not successful without payment. However, the fee is relaxed for certain categories. 

  • No application fee for Female/SC/ST/Persons with Benchmark Disability candidates 
  • Rs 200 for all others

Combined Geo-Scientist And Geologist Exam Pattern 

The CGGE exam pattern along with syllabus got changed for the examination from this year. The selection of the candidates will be based on three stages. We have described the detailed CGGE exam pattern for Preliminary and Main in this page. 

Combined Geo-Scientist Examination will be conducted in three stages as follows:

1. Stage I: Preliminary Examination
2. Stage II: Main Examination
3. Stage III: Personality Test

The Preliminary examination will screen the aspirants for taking the Main examination. It will be a Computer Based Examination and consists of objective type questions having two papers. Marks secured in this examination will be counted for deciding the final merit. General English Paper will be discontinued. Candidates can know more about the Combined Geo-Scientist exam pattern and revised scheme here. 

Eligibility Criteria

  1. Nationality:

    A candidate must be either:

    (a) a Citizen of India, or
    (b) a subject of Nepal, or
    (c) a subject of Bhutan, or
    (d) a Tibetan refugee who came over to India before January 1, 1962, with the intention of permanently settling in India, or
    (e) a person of Indian origin who has migrated from Pakistan, Burma, Sri Lanka or East African Countries of Kenya, Uganda, the United Republic of Tanzania, Zambia, Malawi, Zaire, and Ethiopia or from Vietnam with the intention of permanently settling in India.


    • Provided that a candidate belonging to categories (b), (c), (d) and (e) above shall be a person in whose favor a certificate of eligibility has been issued by the Government of India
    • A candidate in whose case a certificate of eligibility is necessary may be admitted to the examination but the offer of appointment may be given only after the necessary eligibility certificate has been issued to him/her by the Government of India
  2. Educational Qualification:

    1. For Geologists Gr 'A' in Geological Survey of India: Candidates should have obtained Master’s degree in Geological Science or Geology or Applied Geology or Geo-Exploration or Mineral Exploration or Engineering Geology or Earth Science and Resource Management or Marine Geology or Oceanography and Geochemistry or Geological Technology or Coastal Area Studies or Petroleum Geosciences or Petroleum Exploration or Geophysical Technology from a recognized university.

    2. For Geophysicists Gr 'A' in Geological Survey of India: Candidates should have obtained M.Sc. in Physics or Applied Physics or M.Sc. (Geophysics) or Integrated M.Sc. (Exploration Geophysics) or M.Sc (Applied Geophysics) or M.Sc. (Marine Geophysics) Or M.Sc. (Tech.) (Applied Geophysics) from a recognized university.

    3. For Chemists Group ‘A‘: in Geological Survey of India: Candidates should hold M.Sc. in Chemistry or Applied Chemistry or Analytical Chemistry from a recognized university.

    4. For Junior Hydrogeologists (Scientist B), Group 'A' in Central Ground Water Board: Master’s degree in Geology or Applied Geology or Marine Geology from a recognized university.


    • The candidates possessing common qualifications in (i) (a) & (ii) (a) can apply for both the categories
    • The candidates who will be eligible but who has taken a degree from a foreign university recognized by the government may also apply to the Commission and may be admitted to the examination
  3. Age Limit :

    The candidates for this examination must have attained the age criteria as prescribed below:

    (a) For Geologist and Geophysicist and Chemist (Group 'A') in the Geological Survey of India, an attached office of Ministry of Mines, Government of India: The candidates must have attained the age of 21 years and must not have attained the age of 32 years as on January 1, 2021, i.e. he/she must have been born not earlier than January 2, 1989, and not later than January 1, 2000.

    (b) For Jr. Hydrogeologist (Scientist B) (Group A) in Central Ground Water Board, Ministry of Water Resources: The candidates must have attained the age of 21 years and must not have attained at the age of 32 years as on January 1, 2021, i.e. he/she must have been born not later than January 2, 1989, and not later than January 1, 2000.


    There is age relaxation of five years for ex-servicemen category candidates and Scheduled Caste/Scheduled tribal. For OBC category, it is three years while for deaf-mute, blind and orthopedically disabled category applicants, it is 10 years.

Roles and Responsibilities

Geo-Scientists and Geologists typically do the following:

  • Geoscientists often supervise the work of technicians and coordinate work with other scientists, both in the field and in the lab
  • Their main aims are to plan and conduct the field studies, in which they visit locations to collect samples and conduct surveys
  • Analyze aerial photographs, detailed records of geologic formations found during drilling, rock samples, and other data sources to locate natural resource deposits and estimate their size
  • Make geologic maps and charts
  • Prepare written scientific reports
  • Present their findings to clients, colleagues, and other interested parties
  • Review reports and research are done by other scientists
  • Geologists study the materials, processes, and history of the Earth. They investigate how rocks were formed and what has happened to them since their formation. There are sub-groups of geologists as well, such as stratigraphers, who study stratified rock, and mineralogists, who study the structure and composition of minerals
UPSC Combined Geo-Scientist Interview Schedule Released

The UPSC has released the interview schedule of the Combined Geo-Scientist exam. The personality test or interview process will begin on April 5 and conclude on April 15 

The official sources suggest that a total of 214 candidates will appear for the interview for the post of Geology and Hydrology. The Chemist interview will be held for 39 candidates. The UPSC will release the final result in May. 

26 February 2021
UPSC Combined Geo-Scientist Prelims 2021 Admit Card Released

The UPSC has released the admit cards of the Combined Geo-Scientist Preliminary exam 2021. Candidates who have registered for the exam can download the admit card on the official website with their login credentials such as registration id or roll number. 

Aspirants should download admit card and take the hard copy to the examination centre. The UPSC CGGE 2021 Preliminary will be held on February 21. The selection of the candidates will be based on the Preliminary exam and Mains exam besides interview. 

2 February 2021
Combined Geo-Scientist 2021: UPSC Releases Time Table And Time Line Activity

The UPSC has released the time table for Combined Geo-Scientist (Preliminary) Examination 2021. It has also released the proposed time line activity for Combined Geo-Scientist (Preliminary) examination 2021.

The Commission will conduct Combined Geo-Scientist Preliminary 2021 exam on February 21. There are two papers in the Prelims exam. The General Studies (paper-1) is common for all. Candidates should choose one stream subject out of three. 

The UPSC will soon release the admit cards for the Geo-Scientist Preliminary exam 2021.

10 December 2020
UPSC Geo-Scientist Mains Result 2020 Declared

The UPSC has declared the Combined Geo-Scientist Main exam 2020 on its official website. Candidates who have appeared in the Mains exam will be eligible for the interview.

The UPSC Geo-Scientist Mains exam result 2020 declared on the official website. The qualified candidates have to submit a detailed application form (DAF) which will be available from December 14 to December 24. The Commission will soon release the interview schedule of UPSC Geo-Scientist Main exam 2020.

27 November 2020
UPSC Removes Geologist And Geophysicist Posts In CGGE Exam

The UPSC has removed Geologist and Geophysicist posts from this year. The Commission has released Combined Geo-Scientist Examination 2021 notification and not described Geologist and Geophysicist posts. It later added two posts Scientist-B (Geophysics) and Scientist-B (Chemical). The post of Junior Hydrogeologist has been renamed as Scientist B (Hydrogeology).

The notice reads, "Due to no vacancy in the posts of Geologist and Geophysicist, these posts have been removed from the Combined Geo-Scientist Examination, 2021."

"Besides, two new Services have been added in this examination viz. Scientist-B (Geophysics), Group A and Scientist-B (Chemical), Group A and the post of Jr. Hydrogeologist (Scientist B) has been renamed as Scientist-B (Hydrogeology)," it has added in the notification.

Earlier, the UPSC has released the CGGE 2021 official notification and invited applications for a total of 40 vacancies.

8 October 2020
Combined Geo-Scientist Exam 2021 Notification Released
Combined Geo-Scientist (Main) Admit Card 2020 Released
CGGE Main 2020: UPSC Reopens Window To Revise Choice of Centre
Combined Geo-Scientist 2021 Exam Dates Announced
Combined Geo-Scientist 2020 Main Exam Scheduled On October 17
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