UPSC Combined Geo-Scientist Examination 2027 – Apply Online for 127 Posts

Total Vacancies

127 Posts

UPSC has notified 127 tentative vacancies across Geological Survey of India and Central Ground Water Board posts.

Recruiting Authority

Union Public Service Commission

The Combined Geo-Scientist Examination is conducted by UPSC.

Stage-I Examination Type

Objective Type

The Preliminary Examination consists of two objective type multiple-choice papers for each stream.

Stage-II Examination Type

Descriptive / Conventional

The Main Examination consists of three descriptive type papers for each applicable stream.

Preliminary Examination Centres

21 Cities

Ahmedabad, Bengaluru, Bhopal, Chandigarh, Chennai, Cuttack, Delhi, Dispur, Ghaziabad, Gurugram, Hyderabad, Jaipur, Jammu, Kolkata, Lucknow, Mumbai, Patna, Prayagraj, Shillong, Shimla and Thiruvananthapuram.

Geological Survey of India

111 Posts

A total of 111 tentative vacancies are available in the Geological Survey of India under the Ministry of Mines.

Examination Notice Number

01/2027-GEOL

Official examination notice for the Combined Geo-Scientist Examination 2027.

Preliminary Paper-I

General Studies – 100 Marks

General Studies is common to all streams. Duration is two hours.

Geology Stream

3 Papers – 600 Marks

Three Geology papers. Each paper carries 200 marks and has a duration of three hours.

Main Examination Centres

9 Cities

Bhopal, Chennai, Delhi, Dispur (Guwahati), Hyderabad, Kolkata, Lucknow, Mumbai and Shimla.

Central Ground Water Board

16 Posts

A total of 16 tentative vacancies are available in the Central Ground Water Board under the Ministry of Jal Shakti.

Recruiting Organizations

GSI and CGWB

Recruitment is conducted for Geological Survey of India under the Ministry of Mines and Central Ground Water Board under the Ministry of Jal Shakti.

Stream-I Paper-II

Geology / Hydrogeology – 300 Marks

Applicable to Geologist and Assistant Geologist in GSI and Scientist B Hydrogeology and Assistant Hydrogeologist in CGWB. Duration is two hours.

Geophysics Stream

3 Papers – 600 Marks

Three Geophysics papers. Each paper carries 200 marks and has a duration of three hours.

Examination Notice

01/2027-GEOL

Official UPSC examination notice for the Combined Geo-Scientist Examination 2027.

Stream-II Paper-II

Geophysics – 300 Marks

Applicable to Geophysicist and Assistant Geophysicist posts and relevant CGWB Geophysics posts. Duration is two hours.

Chemistry Stream

3 Papers – 600 Marks

Three Chemistry papers. Each paper carries 200 marks and has a duration of three hours.

Date of Birth Proof

Matriculation / Equivalent Certificate

UPSC accepts the date of birth recorded in the prescribed Matriculation, Secondary School or equivalent certificate.

Preliminary Examination

10 January 2027

The Stage-I Preliminary Examination is scheduled to be conducted on 10 January 2027.

Appointment Basis

Temporary Initially

Appointments will be made on a temporary basis in the first instance according to the notification.

Stream-III Paper-II

Chemistry – 300 Marks

Applicable to Chemist and Assistant Chemist posts and relevant CGWB Chemical posts. Duration is two hours.

Hydrogeology Stream

Geology, Geology and Hydrogeology

Paper-I Geology, Paper-II Geology and Paper-III Hydrogeology. Each paper carries 200 marks and has a duration of three hours.

Photograph

Upload and Live Capture

Candidates must comply with UPSC requirements regarding uploaded photograph and live photograph capture.

Main Examination

19 and 20 June 2027

The Stage-II Main Examination is scheduled for 19 and 20 June 2027.

Job Location

All India

Selected candidates may be posted according to the requirements of the respective Government department or organization.

Main Examination Total

600 Marks

Candidates must appear in all papers prescribed for their respective stream.

Step 6

Upload Photograph and Signature

Upload the required clear photograph, complete live photograph capture and upload signature according to UPSC instructions.

Signature

Three Signatures on White Paper

Candidates are required to sign three times one below another on plain white paper using black ink and upload the signature according to UPSC instructions.

Selection Process

Three Stages

Preliminary Examination, Main Examination and Personality Test/Interview.

Preliminary Calculator Rule

Not Permitted

Candidates are not permitted to use calculators in the Objective Type Preliminary Examination.

Main Examination Calculator Rule

Non-Programmable Calculator Allowed

Non-programmable pocket calculators may be used in descriptive Main Examination papers. Programmable calculators are not permitted.

Step 9

Review and Submit

Review all details carefully and submit the application before the closing date.

Step 5

Select Combined Geo-Scientist Examination 2027

Open the examination-specific module and select the relevant stream or category for which eligibility is fulfilled.

Eligible Defence Personnel

Up to 3 Years

Defence Services personnel disabled in operations during hostilities with a foreign country or in a disturbed area and released as a consequence thereof receive prescribed relaxation.

Geologist Group A Qualification

Relevant Master’s Degree

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 Geochemistry from a recognized university.

Geophysicist Group A and Scientist B Geophysics Qualification

M.Sc. / Integrated M.Sc.

M.Sc. in Physics, Applied Physics, Geophysics, Exploration Geophysics, Applied Geophysics, Marine Geophysics or M.Sc. Tech. in Applied Geophysics from a recognized university or institution.

Posts:

• Geophysicist Group A
• Scientist B Geophysics Group A

Chemist Group A and Scientist B Chemical Qualification

M.Sc. Chemistry

M.Sc. in Chemistry, Applied Chemistry or Analytical Chemistry from a recognized university.

Posts:

• Chemist Group A
• Scientist B Chemical Group A

Scientist B Hydrogeology and Assistant Hydrogeologist Qualification

Master’s Degree

Master’s degree in Geology, Applied Geology, Marine Geology or Hydrogeology from a recognized university.

Posts:

• Scientist B Hydrogeology Group A
• Assistant Hydrogeologist Group B

Step 4

Complete Common Application Form

Provide personal, educational and other required information and supporting documents.

Assistant Chemist Qualification

M.Sc. / Integrated M.Sc.

Master of Science or Integrated Master of Science in Chemistry, Applied Chemistry, Analytical Chemistry, Physical Chemistry, Inorganic Chemistry, Organic Chemistry, Hydro-Chemistry or Industrial Chemistry.

Posts:

• Assistant Chemist GSI
• Assistant Chemist CGWB

Assistant Geologist Qualification

Master’s / Integrated Master’s Degree

Master’s degree or Integrated Master’s degree in Geology, Applied Geology, Mineral Exploration, Marine Geology or Earth Science from a recognized university or institution.

Assistant Geophysicist Qualification

M.Sc. / M.Sc. Tech. / Integrated M.Sc.

Master of Science, Master of Science Tech. or Integrated Master of Science in Geophysics, Exploration Geophysics, Applied Geophysics, Geo-Exploration, Marine Geophysics, Physics, Applied Physics or Applied Geology.

Posts:

• Assistant Geophysicist GSI
• Assistant Geophysicist CGWB

Minimum Age

21 Years

Candidate must have attained 21 years of age as on 01 January 2027.

Maximum Age

32 Years

Candidate must not have attained 32 years of age as on 01 January 2027.

Date of Birth Range

02 January 1995 to 01 January 2006

For candidates without applicable age relaxation.

SC / ST Age Relaxation

Up to 5 Years

Eligible Scheduled Caste and Scheduled Tribe candidates receive upper age relaxation up to five years.

OBC Age Relaxation

Up to 3 Years

Eligible Other Backward Classes candidates entitled to reservation receive upper age relaxation up to three years.

Eligible Ex-Servicemen

Up to 5 Years

Eligible Ex-servicemen including specified Commissioned Officers and ECOs/SSCOs receive prescribed upper age relaxation.

Eligible ECOs / SSCOs

Up to 5 Years

Specified ECOs and SSCOs fulfilling the prescribed military service and release conditions receive upper age relaxation.

Geologist, Group A

29 Posts

Geological Survey of India, Ministry of Mines.

Scientist B (Hydrogeology), Group A

5 Posts

Central Ground Water Board, Ministry of Jal Shakti.

Geophysicist, Group A

0 Posts

No tentative vacancy has been notified for Geophysicist Group A in the Geological Survey of India for CGSE 2027.

Scientist B (Chemical), Group A

1 Post

Central Ground Water Board, Ministry of Jal Shakti.

Vacancy Numbers

Tentative

The notified number of vacancies is tentative and liable to alteration.

Chemist, Group A

7 Posts

Geological Survey of India, Ministry of Mines.

Scientist B (Geophysics), Group A

1 Post

Central Ground Water Board, Ministry of Jal Shakti.

Assistant Geologist, Group B

34 Posts

Geological Survey of India, Ministry of Mines.

Assistant Hydrogeologist, Group B

7 Posts

Central Ground Water Board, Ministry of Jal Shakti.

Assistant Geophysicist, Group B

35 Posts

Geological Survey of India, Ministry of Mines.

Assistant Chemist, Group B

1 Post

Central Ground Water Board, Ministry of Jal Shakti.

Assistant Chemist, Group B

6 Posts

Geological Survey of India, Ministry of Mines.

Assistant Geophysicist, Group B

1 Post

Central Ground Water Board, Ministry of Jal Shakti.

Total GSI Vacancies

111 Posts

Combined tentative vacancies for all Geological Survey of India posts.

Total CGWB Vacancies

16 Posts

Combined tentative vacancies for all Central Ground Water Board posts.

Grand Total

127 Posts

Combined tentative vacancies in Geological Survey of India and Central Ground Water Board.

General / OBC / EWS Candidates

Rs. 200

Candidates who are not exempted must pay the prescribed examination fee of Rs. 200.

Multiple Eligible Categories

Single Application

A candidate eligible for one or both categories of posts may apply through one application and is required to pay the examination fee only once.

Female Candidates

Fee Exempted

All female candidates are exempted from payment of examination fee.

SC Candidates

Fee Exempted

Scheduled Caste candidates are exempted from examination fee.

ST Candidates

Fee Exempted

Scheduled Tribe candidates are exempted from examination fee.

Eligible PwBD Candidates

Fee Exempted

Eligible Persons with Benchmark Disabilities candidates are exempted from examination fee subject to prescribed eligibility conditions.

Payment Methods

Online

Fee can be paid through net banking, Visa, MasterCard, RuPay Credit or Debit Card or UPI through the prescribed UPSC online application process.

Step 8

Pay Examination Fee

Pay the applicable fee through the prescribed online payment methods unless exempted.

Step 1

Visit UPSC Online Portal

Open the official UPSC online application portal.

Step 2

Create UPSC Account

Complete account creation on the UPSC Online Application Portal if not already completed.

Step 3

Complete Universal Registration

Create or use the Universal Registration Number which remains common across UPSC examinations.

Application Mode

Online

Candidates must apply online through the UPSC online application portal.

Step 10

Save Application Details

Keep the Universal Registration Number, Application Number and a soft copy or printout of the submitted application for future reference.

For each incorrect answer, one-third of the marks assigned to that question will be deducted. No penalty is applied for questions left unanswered.

Step 7

Select Examination Centre

Select the preferred Preliminary Examination centre subject to availability.

Candidates Appearing in Qualifying Examination

Provisional Eligibility

Candidates who have appeared in or intend to appear in the qualifying examination may apply provisionally, subject to producing proof of passing within the prescribed UPSC timeline before the Personality Test stage.

Persons with Benchmark Disabilities

Up to 10 Years

Eligible PwBD candidates receive upper age relaxation up to ten years subject to post-specific physical and medical requirements.

Eligible Government Servants

Up to 5 Years

Government servants employed in the corresponding Geological Survey of India or Central Ground Water Board departments may receive upper age relaxation up to five years subject to prescribed conditions.

Stage-I: Preliminary Examination

400 Marks

Objective type Preliminary Examination consisting of General Studies and stream-specific paper.

Stage-II: Main Examination

600 Marks

Descriptive type Main Examination consisting of three papers for the applicable stream.

Stage-III: Personality Test / Interview

200 Marks

Candidates qualifying the Main Examination are considered for Personality Test or Interview according to UPSC selection procedure.

Final Merit and Allocation

Merit and Preference

Final selection and allocation are made according to merit position, eligibility, candidate preference and vacancies available separately for participating posts.

Preliminary Examination Total

400 Marks

Marks obtained in the Preliminary Examination by candidates qualifying for Main Examination are counted for determining final merit.

e-Admit Cards are made available through the UPSC online system. No Admit Card is sent by post.

How many vacancies are available in UPSC Combined Geo-Scientist Examination 2027?

A total of 127 tentative vacancies are notified, including 111 posts in the Geological Survey of India and 16 posts in the Central Ground Water Board.

What is the UPSC Combined Geo-Scientist 2027 notification number?

The official examination notice number is 01/2027-GEOL.

What is the last date to apply for UPSC Geo-Scientist 2027?

The last date for submission of the online application is 22 September 2026 up to 6:00 PM.

When is the UPSC Geo-Scientist Preliminary Examination 2027?

The Preliminary Examination is scheduled for 10 January 2027.

When is the UPSC Geo-Scientist Main Examination 2027?

The Main Examination is scheduled for 19 and 20 June 2027.

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

Candidates must be at least 21 years old and must not have attained 32 years of age as on 01 January 2027, subject to applicable age relaxation.

What is the application fee for UPSC Geo-Scientist 2027?

The examination fee is Rs. 200 for candidates required to pay the fee. Female, SC, ST and eligible PwBD candidates are exempted.

Is there negative marking in UPSC Geo-Scientist Preliminary Examination?

Yes. One-third of the marks assigned to a question are deducted for each incorrect answer. There is no penalty for an unanswered question.

How many stages are there in UPSC Geo-Scientist Examination 2027?

There are three stages: Preliminary Examination, Main Examination and Personality Test or Interview.

Are Preliminary Examination marks counted in final merit?

Yes. The marks obtained in the Preliminary Examination by candidates qualifying for the Main Examination are counted for determining final merit.

Can candidates appearing in the qualifying postgraduate examination apply?

Yes. Candidates appearing in the qualifying examination may apply provisionally subject to producing proof of passing within the prescribed UPSC timeline before the Personality Test stage.

Can a candidate apply for more than one category of posts?

A candidate may apply for one or both categories of posts for which the candidate is eligible through a single application, subject to the prescribed conditions.