UPSC CGSE Online Form 2026/2027 – Apply for 127 Geologist, Geophysicist, Chemist Posts
The Union Public Service Commission (UPSC) has released the Combined Geo-Scientist Examination (CGSE) 2027 notification, inviting online applications for 127 tentative vacancies of Geologist, Geophysicist, Chemist, and related Group A/B posts in the Geological Survey of India (Ministry of Mines) and the Central Ground Water Board (Ministry of Jal Shakti). Eligible candidates holding a relevant Master's degree can apply online from 02 September 2026 to 22 September 2026.
Recruitment Overview
| Particular | Details |
|---|---|
| Recruiting Authority | Union Public Service Commission (UPSC) |
| Post Name | Combined Geo-Scientist Examination (CGSE), 2027 |
| Notification Number | Examination Notice No. 01/2027-GEOL |
| Total Vacancies | 127 (tentative) |
| Post Details | Geologist, Geophysicist, Chemist (Group A); Assistant Geologist, Assistant Geophysicist, Assistant Chemist (Group B) in GSI; Scientist 'B' and Assistant-level posts in CGWB |
| Application Mode | Online Only |
| Job Location | Geological Survey of India / Central Ground Water Board, across India |
Important Dates
| Event | Date |
|---|---|
| Date of Notification | 02 September 2026 |
| Start of Online Application | 02 September 2026 |
| Last Date to Fill Application | 22 September 2026 (up to 6:00 PM) |
| Helpline Operational Period | 02 September 2026 to 22 September 2026 (10:00 AM to 5:30 PM, working days) |
| Preliminary Examination | 10 January 2027 |
| Main Examination | 19 June 2027 and 20 June 2027 |
Note: This notification is for the Preliminary Examination only. Candidates who qualify will separately be permitted to appear for the Main Examination.
Application / Registration Fee
| Category | Fee |
|---|---|
| General / OBC / EWS | ₹200 |
| Female Candidates | Exempted |
| Scheduled Castes (SC) | Exempted |
| Scheduled Tribes (ST) | Exempted |
| Persons with Benchmark Disability (PwBD) | Exempted |
- Payment Modes: Net Banking, Credit Card, Debit Card, UPI
- Fee once paid is non-refundable under any circumstances.
Eligibility Criteria & Vacancy / Seat Details
Age Limit
- Minimum Age: 21 years
- Maximum Age: 32 years (as on 1 January 2027)
- Date of Birth Criteria: Born not earlier than 2 January 1995 and not later than 1 January 2006
| Category | Age Relaxation |
|---|---|
| SC/ST | Up to 5 years |
| OBC | Up to 3 years |
| PwBD | Up to 10 years |
| Government Servants (GSI/CGWB) | Up to 5 years |
| Ex-Servicemen | Up to 5 years |
Educational Qualification
| Post | Minimum Qualification |
|---|---|
| Geologist / Assistant Geologist | 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 |
| Geophysicist / Assistant Geophysicist / Scientist 'B' (Geophysics) | M.Sc. in Physics, Applied Physics, Geophysics, Exploration Geophysics, Applied Geophysics, or Marine Geophysics |
| Chemist / Assistant Chemist / Scientist 'B' (Chemical) | M.Sc. in Chemistry, Applied Chemistry, Analytical Chemistry, Physical Chemistry, Inorganic Chemistry, Organic Chemistry, Hydro-Chemistry, or Industrial Chemistry |
| Scientist 'B' (Hydrogeology) / Assistant Hydrogeologist | Master's degree in Geology, Applied Geology, Marine Geology, or Hydrogeology |
- All qualifying degrees must be from a University incorporated by an Act of the Central or State Legislature, an institution established by an Act of Parliament, or a deemed university under the UGC Act, 1956.
- Candidates awaiting their qualifying result may also apply, subject to producing proof of passing before the Personality Test.
Category-I: Geological Survey of India (GSI) – Vacancy Details
| Post | Vacancies |
|---|---|
| Geologist, Group A | 29 |
| Geophysicist, Group A | 0 |
| Chemist, Group A | 7 |
| Assistant Geologist, Group B | 34 |
| Assistant Geophysicist, Group B | 35 |
| Assistant Chemist, Group B | 6 |
| Category-I Total | 111 |
PwBD Reservation (Category-I): 8 vacancies
- 1 Geologist [OH(OA/OL)]
- 1 Chemist [HH]
- 2 Assistant Geologist [1-OH(OA/OL), 1-HH]
- 3 Assistant Geophysicist [HH]
- 1 Assistant Chemist [HH]
Category-II: Central Ground Water Board (CGWB) – Vacancy Details
| Post | Vacancies |
|---|---|
| Scientist 'B' (Hydrogeology), Group A | 5 |
| Scientist 'B' (Chemical), Group A | 1 |
| Scientist 'B' (Geophysics), Group A | 1 |
| Assistant Hydrogeologist, Group B | 7 |
| Assistant Chemist, Group B | 1 |
| Assistant Geophysicist, Group B | 1 |
| Category-II Total | 16 |
PwBD Reservation (Category-II): 2 vacancies
- 1 Scientist 'B' (Hydrogeology) [HH]
- 1 Assistant Hydrogeologist [LDCP]
Important: Vacancy numbers are tentative and liable to alteration. Appointments will initially be made on a temporary basis. A candidate may apply for one or both categories using a single application and a single fee payment.
Selection / Admission / Evaluation Process
The selection process consists of three successive stages:
| Stage | Examination | Type | Marks |
|---|---|---|---|
| Stage-I | Preliminary Examination | Objective Type (two papers per stream) | 400 |
| Stage-II | Main Examination | Conventional/Descriptive Type (three papers per stream) | 600 |
| Stage-III | Personality Test/Interview | — | 200 |
| Total | 1,200 |
- Marks secured in both the Preliminary and Main Examinations count towards the final merit.
- Final selection for GSI and CGWB posts is strictly by merit position in each category, candidate preference, and number of vacancies.
Examination Centres
Preliminary Examination (21 Centres): Ahmedabad, Bengaluru, Bhopal, Chandigarh, Chennai, Cuttack, Delhi, Dispur, Ghaziabad, Gurugram, Hyderabad, Jaipur, Jammu, Kolkata, Lucknow, Mumbai, Patna, Prayagraj (Allahabad), Shillong, Shimla, and Thiruvananthapuram.
Main Examination (9 Centres): Bhopal, Chennai, Delhi, Dispur (Guwahati), Hyderabad, Kolkata, Lucknow, Mumbai, and Shimla.
Centre allotment is on a first-apply-first-allot basis with a ceiling per centre (except Chennai, Dispur, Kolkata, and Ahmedabad). Candidates are advised to apply early to secure their preferred centre.
How to Apply / Register / Check Status
Candidates must apply online only through the Commission's portal. No other mode of submission is allowed.
- Visit the Commission's Online Application Portal at upsconline.nic.in.
- Create an account and complete Universal Registration to generate a Universal Registration Number (URN), which is common to all UPSC examinations for life.
- Fill the Common Application Form (CAF), shared across UPSC exams.
- Fill the fourth, examination-specific module for CGSE 2027, including fee payment and choice of examination centre.
- Upload your photograph, live photo capture, and signature as per the Commission's instructions.
- Pay the application fee online (if applicable) and submit the application by 22 September 2026, 6:00 PM.
Required Documents Checklist
- Identity Proof: Aadhaar Card (strongly advised), or Voter Card / PAN Card / Passport / Driving Licence
- Date of Birth Proof: Matriculation / Secondary School Certificate
- Educational Qualification: Relevant Master's degree certificates and mark sheets
- Category Certificates: SC / ST / OBC-NCL / EWS / PwBD certificates (in prescribed format), where applicable
- Photograph and Signature: As per Commission's upload specifications
No withdrawal, correction, or alteration is permitted after submission, except for the one-time URN profile edit facility, which does not affect already-submitted applications.
Frequently Asked Questions
Q1. What is UPSC CGSE 2027?
It is the Combined Geo-Scientist Examination conducted by the Union Public Service Commission to recruit 127 tentative posts of Geologist, Geophysicist, Chemist, and related Group A/B posts in the Geological Survey of India and the Central Ground Water Board.
Q2. How many vacancies are there in UPSC CGSE 2027?
There are 127 vacancies: 111 in the Geological Survey of India (Category-I) and 16 in the Central Ground Water Board (Category-II).
Q3. What is the last date to apply for UPSC CGSE 2027?
The last date to submit the online application is 22 September 2026, up to 6:00 PM.
Q4. What is the qualification required for UPSC CGSE 2027?
Candidates need a relevant Master's degree depending on the post – for example, M.Sc. in Geology or Applied Geology for Geologist posts, M.Sc. in Physics or Geophysics for Geophysicist posts, and M.Sc. in Chemistry for Chemist posts.
Q5. What is the age limit for UPSC CGSE 2027?
Candidates must be between 21 and 32 years of age as on 1 January 2027, with standard category-based relaxations applicable.
Important Links
| Link Name | Link |
|---|---|
| Apply Online | Click Here |
| Official Notification / Advertisement | Click Here |
| Official Website | Click Here |
About This Notification
Union Public Service Commission (UPSC) has officially released the notification for UPSC CGSE Online Form 20262027. A total of 127 vacancies are available under this recruitment drive.
Regarding the timeline, the last date to apply is 22 September 2026, the examination is scheduled for 10 January 2027.
General/OBC candidates need to pay a fee of ₹200. Payment can be made via Net Banking, Credit Card, Debit Card, UPI.
The selection procedure for this recruitment consists of the following stages: Selection proceeds through three successive stages: the Preliminary Examination (Stage → I) for shortlisting to the Main Examination; the Main Examination (Stage → II) for shortlisting to the Personality Test; and the Personality Test/Interview (Stage → III). Final selection for GSI and CGWB posts is strictly by merit position in each category → candidate preference → and number of vacancies.. Candidates must qualify each stage to proceed to the next.
Interested and eligible candidates are advised to read the official notification carefully before applying. Ensure all required documents are ready and submit the application before the deadline. Late or incomplete applications will not be accepted. Keep visiting the official website for the latest updates regarding UPSC CGSE Online Form 20262027.