Union Public Service Commission (UPSC), Combined Geo-Scientist Examination (CGSE) 2027 - Apply Online

Union Public Service Commission (UPSC) Combined Geo-Scientist Examination (CGSE) Recruitment 2027 :
The Union Public Service Commission (UPSC) has released the official notification for the Combined Geo-Scientist Examination (CGSE) 2027.
The UPSC CGSE 2027 recruitment is being conducted to fill 127 tentative vacancies in various Group A and Group B scientific and technical posts.
The recruitment is being conducted for vacancies under the Geological Survey of India (GSI), Ministry of Mines, and the Central Ground Water Board (CGWB), Ministry of Jal Shakti.
Eligible candidates with the required postgraduate qualifications in Geology, Geophysics, Chemistry, Hydrogeology and related disciplines can apply online.
The online application process starts on 02 September 2026.
The last date to submit the UPSC CGSE 2027 online application is 22 September 2026 up to 6:00 PM.
Candidates must submit their applications through the official UPSC online application portal.
The UPSC Combined Geo-Scientist Preliminary Examination 2027 is scheduled to be conducted on 10 January 2027.
Candidates who qualify in the Preliminary Examination will be eligible to appear for the Main Examination.
The UPSC CGSE Main Examination 2027 is scheduled for 19 June 2027 and 20 June 2027.
Final selection will be based on the Preliminary Examination, Main Examination and Personality Test/Interview, subject to merit, preferences and available vacancies.

Union Public Service Commission (UPSC) Combined Geo-Scientist Examination (CGSE) Recruitment 2027 Notification Details :
The official notification has been issued as Examination Notice No. 01/2027-GEOL.
The notification is dated 02 September 2026.
The examination is conducted under the rules of the Combined Geo-Scientist Examination 2027 notified by the Ministry of Mines.
The recruitment notification contains details regarding vacancies, educational qualifications, age limit, application fee, examination centres, examination pattern, selection process and application procedure.
Candidates should carefully read the official UPSC CGSE 2027 notification before completing the online application.
The vacancies mentioned in the notification are tentative and may be changed according to the requirements of the concerned departments.

Union Public Service Commission (UPSC) Combined Geo-Scientist Examination (CGSE) Recruitment 2027 Vacancy Details :
The total number of tentative vacancies under UPSC Combined Geo-Scientist Examination 2027 is 127.
Category-I: Geological Survey of India: A total of 111 vacancies are available.
Category-II: Central Ground Water Board: A total of 16 vacancies are available.
The posts include Geologist, Geophysicist, Chemist, Assistant Geologist, Assistant Geophysicist, Assistant Chemist, Scientist 'B' and Assistant Hydrogeologist positions.
Geological Survey of India Vacancies
Geologist, Group A: 29 posts.
Geophysicist, Group A: No vacancy is indicated in the current notification.
Chemist, Group A: 7 posts.
Assistant Geologist, Group B: 34 posts.
Assistant Geophysicist, Group B: 35 posts.
Assistant Chemist, Group B: 6 posts.
Total GSI Vacancies: 111 posts.
Central Ground Water Board Vacancies
Scientist 'B' (Hydrogeology), Group A: 5 posts.
Scientist 'B' (Chemical), Group A: 1 post.
Scientist 'B' (Geophysics), Group A: 1 post.
Assistant Hydrogeologist, Group B: 7 posts.
Assistant Chemist, Group B: 1 post.
Assistant Geophysicist, Group B: 1 post.
Total CGWB Vacancies: 16 posts.
Out of the GSI vacancies, specified vacancies are reserved for Persons with Benchmark Disabilities.
Specified PwBD reservation is also provided among the CGWB vacancies.
Candidates can apply for one or both categories through a single application and fee payment, subject to the prescribed eligibility conditions.

Union Public Service Commission (UPSC) Combined Geo-Scientist Examination (CGSE) Recruitment 2027 Educational Qualification :
Candidates applying for the Geologist and Assistant Geologist posts must possess a relevant Master's degree in disciplines such as 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.
Candidates applying for Geophysicist, Assistant Geophysicist and Scientist 'B' (Geophysics) posts must possess an M.Sc. or equivalent postgraduate qualification in Physics, Applied Physics, Geophysics, Exploration Geophysics, Applied Geophysics or Marine Geophysics, as applicable.
Candidates applying for Chemist, Assistant Chemist and Scientist 'B' (Chemical) posts must possess an M.Sc. in Chemistry or relevant specializations including Applied Chemistry, Analytical Chemistry, Physical Chemistry, Inorganic Chemistry, Organic Chemistry, Hydro-Chemistry or Industrial Chemistry.
Candidates applying for Scientist 'B' (Hydrogeology) and Assistant Hydrogeologist posts must possess a Master's degree in Geology, Applied Geology, Marine Geology or Hydrogeology.
The qualifying postgraduate degree must be obtained from a recognized university or institution meeting the requirements prescribed in the examination rules.
A Master's degree generally means a postgraduate degree of at least two years' duration after graduation, whether integrated or otherwise.
Candidates awaiting the result of their qualifying examination may also be permitted to apply, subject to fulfilling the prescribed conditions and producing proof of qualification at the required stage.

Union Public Service Commission (UPSC) Combined Geo-Scientist Examination (CGSE) Recruitment 2027 Age Limit:
Candidates must have attained the minimum age of 21 years as on 01 January 2027.
Candidates must not have attained the age of 32 years as on 01 January 2027.
Therefore, candidates should have been born not earlier than 02 January 1995 and not later than 01 January 2006, subject to applicable relaxations.
Upper age relaxation is available to eligible categories according to Government of India rules.
SC and ST candidates may receive an upper age relaxation of up to 5 years.
OBC candidates may receive an upper age relaxation of up to 3 years.
Persons with Benchmark Disabilities may receive relaxation as prescribed under the applicable rules.
Certain relaxations are also available to eligible government employees, ex-servicemen and disabled Defence Services personnel according to the examination rules.
Candidates should verify their exact age and applicable relaxation from the official notification before applying.

Union Public Service Commission (UPSC) Combined Geo-Scientist Examination (CGSE) Recruitment 2027 Application Fee :
The prescribed application fee for UPSC CGSE 2027 is ₹200.
The fee can be paid through the available online payment methods, including net banking, Visa, Master, RuPay credit/debit cards and UPI.
Female candidates are exempted from payment of the application fee.
Candidates belonging to SC, ST and Persons with Benchmark Disability categories are also exempted from the fee.
OBC and EWS candidates are required to pay the prescribed application fee unless otherwise exempted under the rules.
The application fee, once paid, is generally non-refundable.
Candidates should ensure that the payment is successfully completed before final submission of the application.

Union Public Service Commission (UPSC) Combined Geo-Scientist Examination (CGSE) Recruitment 2027 Important Dates :
Notification Date: 02 September 2026.
Online Application Start Date: 02 September 2026.
Last Date to Apply Online: 22 September 2026 up to 6:00 PM.
Preliminary Examination Date: 10 January 2027.
Main Examination Dates: 19 June 2027 and 20 June 2027.
Candidates should not wait until the last date to submit their applications because examination centres may be allotted on a first-apply-first-allot basis, subject to availability.
The notification currently covers the application process for the Preliminary Examination.

Union Public Service Commission (UPSC) Combined Geo-Scientist Examination (CGSE) Recruitment 2027 Examination Centres :
The UPSC Combined Geo-Scientist Preliminary Examination 2027 will be conducted at various centres across India.
The listed Preliminary Examination centres include Ahmedabad, Bengaluru, Bhopal, Chandigarh, Chennai, Cuttack, Delhi, Dispur, Ghaziabad, Gurugram, Hyderabad, Jaipur, Jammu, Kolkata, Lucknow, Mumbai, Patna, Prayagraj, Shillong, Shimla and Thiruvananthapuram.
Candidates should select their preferred examination centre carefully while completing the online application.
Centre allotment is subject to the availability and capacity of the selected centre.
Candidates are advised to apply early if they wish to obtain their preferred examination centre.
The Main Examination will be conducted at selected centres including Bhopal, Chennai, Delhi, Dispur, Hyderabad, Kolkata, Lucknow, Mumbai and Shimla.

Union Public Service Commission (UPSC) Combined Geo-Scientist Examination (CGSE) Recruitment 2027 Examination Pattern :
The UPSC Combined Geo-Scientist selection process consists of three major stages.
Stage I is the Preliminary Examination, which is objective in nature.
The Preliminary Examination carries a total of 400 marks.
Candidates belonging to the Geology and Hydrogeology stream will have General Studies and subject-specific papers.
General Studies carries 100 marks, while the relevant Geology/Hydrogeology paper carries 300 marks.
Similar stream-specific examination papers are prescribed for candidates appearing in the Geophysics and Chemistry streams.
Stage II is the Main Examination, which consists of conventional or descriptive-type papers.
The Main Examination carries 600 marks.
Stage III is the Personality Test/Interview, which carries 200 marks.
Marks obtained in the Main Examination and Personality Test are important for final merit, while the Preliminary Examination is used for shortlisting candidates for the next stage.
Candidates should carefully study the official syllabus and examination scheme before beginning preparation.

Union Public Service Commission (UPSC) Combined Geo-Scientist Examination (CGSE) Recruitment 2027 Selection Process :
The selection process begins with the Preliminary Examination.
Candidates securing the required qualifying marks in the Preliminary Examination are shortlisted for the Main Examination.
Candidates who qualify in the Main Examination are called for the Personality Test/Interview.
Final selection is based on merit, candidate preferences and the number of vacancies available in the respective categories and services.
Candidates must satisfy all eligibility requirements at the relevant stages of recruitment.
Document verification and production of original certificates will be required as prescribed by UPSC.
Candidates should ensure that all information submitted in the application is correct and supported by valid documents.

Documents Required for Union Public Service Commission (UPSC) Combined Geo-Scientist Examination (CGSE) Recruitment 2027 :
Candidates should keep a valid identity document ready for the application and examination process.
Aadhaar Card is strongly advised as a primary identity document, although other permitted identity documents may be accepted.
Candidates may use documents such as Voter Card, PAN Card, Passport or Driving Licence as applicable.
Matriculation or Secondary School Certificate should be available as proof of date of birth.
Candidates should keep their relevant Master's degree certificates and mark sheets ready.
Category certificates should be submitted wherever applicable.
SC, ST, OBC-NCL, EWS and PwBD candidates must ensure that their certificates are in the prescribed format and valid for the relevant recruitment process.
Recent photograph and signature must be uploaded according to UPSC specifications.
Candidates should maintain copies of all submitted documents and the final application for future reference.

How to Apply Online for Union Public Service Commission (UPSC) Combined Geo-Scientist Examination (CGSE) Recruitment 2027 :
Visit the official UPSC online application portal.
Create an account and complete the required registration process.
Candidates may need to complete the prescribed Universal Registration process and generate their Universal Registration Number.
Complete the Common Application Form with accurate personal, educational and other required information.
Select the Combined Geo-Scientist Examination 2027 examination-specific application module.
Choose the applicable category or categories for which the candidate is eligible.
Select the preferred examination centre from the available options.
Upload the photograph, live photograph and signature according to the prescribed specifications.
Pay the application fee of ₹200, if applicable.
Female candidates and eligible SC, ST and PwBD candidates should follow the applicable fee-exemption instructions.
Carefully verify the complete application before final submission.
Submit the application before 22 September 2026 at 6:00 PM.
Save or print the final submitted application for future reference.
Candidates should regularly check the official UPSC website for admit card, examination, result and other recruitment updates.

Union Public Service Commission (UPSC) Combined Geo-Scientist Examination (CGSE) Recruitment 2027 Important Instructions :
Candidates should read the complete UPSC CGSE 2027 notification before applying.
The application must be submitted online only through the prescribed UPSC application system.
No offline application will be accepted.
Candidates should enter their name, date of birth, educational details, category and contact information carefully.
Providing incorrect information or submitting false documents may result in cancellation of candidature.
Candidates should reach the examination venue well before the reporting and entry closing time.
Entry to the examination venue closes before the commencement of the examination session, and late entry is not permitted.
Mobile phones, smart watches, Bluetooth devices, pagers and other prohibited electronic equipment are not permitted inside the examination venue.
Candidates must follow the identity verification and face authentication requirements prescribed by UPSC.
Only the permitted writing instrument should be used for marking the OMR sheet.
Negative marking is applicable for incorrect answers in the objective-type Preliminary Examination papers.
Admit cards will be made available through the official UPSC website and will not ordinarily be sent by post.
Candidates should regularly monitor the UPSC website for examination-related notices, admit cards, answer keys, results and further instructions.

Union Public Service Commission (UPSC) Combined Geo-Scientist Examination (CGSE) Recruitment 2027 Career Opportunity :
The Combined Geo-Scientist Examination provides opportunities for qualified postgraduate candidates to pursue careers in important scientific and technical positions under the Government of India.
Selected candidates may be appointed to posts under the Geological Survey of India or the Central Ground Water Board, depending on merit, preferences, eligibility and vacancies.
The recruitment covers specialized fields such as Geology, Geophysics, Chemistry and Hydrogeology.
Candidates interested in government scientific careers should carefully review the post-wise eligibility criteria before applying.
Since the number of vacancies is tentative, candidates should rely on the official UPSC notification for the latest vacancy position and amendments.

Union Public Service Commission (UPSC) Combined Geo-Scientist Examination (CGSE) Recruitment 2027 Key Highlights :
Recruiting Organization: Union Public Service Commission.
Examination: Combined Geo-Scientist Examination 2027.
Total Tentative Vacancies: 127 posts.
GSI Vacancies: 111 posts.
CGWB Vacancies: 16 posts.
Major Posts: Geologist, Geophysicist, Chemist, Assistant Geologist, Assistant Geophysicist, Assistant Chemist, Scientist 'B' and Assistant Hydrogeologist.
Minimum Age: 21 years.
Maximum Age: 32 years, subject to applicable relaxation.
Required Qualification: Relevant Master's degree in the prescribed discipline.
Application Mode: Online.
Application Fee: ₹200 for applicable candidates.
Fee Exemption: Female, SC, ST and PwBD candidates as prescribed.
Application Start Date: 02 September 2026.
Last Date: 22 September 2026 up to 6:00 PM.
Preliminary Examination: 10 January 2027.
Main Examination: 19 and 20 June 2027.
Selection Process: Preliminary Examination, Main Examination and Personality Test/Interview.
Job Location: Various locations under GSI and CGWB across India.