UPSC CGSE Recruitment 2027 – Apply Online for 127 Posts
Combined Geo-Scientist Examination (CGSE) 2027 has been announced by the Union Public Service Commission for eligible candidates seeking Group A and Group B scientific and technical positions.
Check vacancies, important dates, eligibility, qualification, application fee, examination pattern, selection process and official notification details below.
UPSC CGSE Recruitment 2027 – Overview
UPSC CGSE Recruitment 2027 is conducted for specialised Geo-Scientist and related scientific posts under the Geological Survey of India (GSI) and Central Ground Water Board (CGWB). Candidates with the required Master’s degree or other prescribed qualifications can apply according to their discipline.
UPSC CGSE Recruitment 2027 – Important Dates
| Event | Date / Schedule |
|---|---|
| Date of Notification | 02 September 2026 |
| Online Application Starts | 02 September 2026 |
| Last Date to Apply | 22 September 2026, up to 6:00 PM |
| Helpline Period | 02 September 2026 to 22 September 2026, 10:00 AM to 5:30 PM on working days |
| Preliminary Examination | 10 January 2027 |
| Main Examination | 19 June 2027 & 20 June 2027 |
UPSC CGSE Recruitment 2027 – Vacancy Details
The examination carries 127 tentative vacancies divided between Category-I posts under GSI and Category-II posts under CGWB. Vacancy figures may be revised by the Commission as the recruitment process progresses.
Category-I – Geological Survey of India
| 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 |
Category-II – Central Ground Water Board
| 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 |
UPSC CGSE Recruitment 2027 – Eligibility Criteria
Nationality
Candidates should satisfy the nationality conditions prescribed by UPSC. Eligible categories include Indian citizens and certain specified categories of Nepalese/Bhutanese citizens, Tibetan refugees and persons of Indian origin, subject to the conditions and certificates mentioned in the official notification.
Educational Qualification
The required qualification depends on the post and scientific discipline. In general, candidates need the prescribed Master’s degree in the relevant subject from a recognised institution.
| Post / Group | Indicative Required Qualification |
|---|---|
| Geologist / Assistant Geologist | Master’s degree in an eligible field such as Geological Science, Geology, Applied Geology, Geo-Exploration, Mineral Exploration, Engineering Geology, Marine Geology, Earth Science and Resource Management, Oceanography & 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, as applicable to the particular post. |
| Chemist / Assistant Chemist / Scientist ‘B’ (Chemical) | M.Sc. in Chemistry or an accepted specialised branch such as 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, according to the applicable post. |
UPSC CGSE Recruitment 2027 – Age Limit
A candidate must have completed 21 years and must not have attained 32 years on 01 January 2027. Therefore, the general date-of-birth range is governed by the exact conditions stated in the UPSC notification.
Age Relaxation
- SC/ST candidates – relaxation as per Government rules.
- OBC candidates – relaxation as per applicable rules.
- Persons with Benchmark Disability – applicable relaxation as prescribed.
- Ex-Servicemen and eligible defence personnel – relaxation subject to prescribed conditions.
- Eligible Government employees in specified organisations may receive additional relaxation according to the notification.
UPSC CGSE Recruitment 2027 – Application Fee
Candidates required to pay the fee can make the payment through the online modes permitted by UPSC, including applicable card, UPI or net-banking options. The fee once deposited is generally non-refundable.
UPSC CGSE Recruitment 2027 – Exam Pattern
| Stage | Nature of Examination | Marks |
|---|---|---|
| Stage-I: Preliminary | Objective Type – stream-specific papers | 400 |
| Stage-II: Main Examination | Conventional / Descriptive – three papers for each stream | 600 |
| Stage-III: Personality Test | Interview / Personality Assessment | 200 |
Preliminary Examination
The Preliminary stage is an objective examination carrying 400 marks. The papers vary according to the candidate’s selected stream, such as Geology/Hydrogeology, Geophysics and Chemistry.
Main Examination
Candidates shortlisted from the Preliminary stage appear for the Main Examination. It consists of three conventional/ descriptive papers relevant to the selected discipline and carries a total of 600 marks.
Personality Test
Candidates qualifying the Main Examination are called for the Personality Test. This stage carries 200 marks and forms part of the overall merit calculation.
UPSC CGSE Recruitment 2027 – Selection Process
Final selection is made on the basis of performance in the applicable examination stages, category-wise merit, candidate preference and the number of available vacancies, subject to fulfillment of all prescribed conditions.
Documents Required
- Valid identity proof as prescribed.
- Matriculation / Secondary School certificate for date of birth.
- Relevant Master’s degree certificate.
- Semester/year-wise marksheets wherever applicable.
- Category certificate, if claiming reservation.
- PwBD / Ex-Servicemen certificates, wherever applicable.
- Other documents specifically requested by UPSC during the recruitment process.
UPSC CGSE 2027 – Job Profile & Work Responsibilities
Selected candidates are appointed to specialised scientific and technical positions associated with geological investigation, groundwater assessment, geophysical studies and chemical analysis. The actual duties depend on the post, department and place of posting.
How to Apply Online – Step-by-Step Guide
Candidates who meet the prescribed eligibility requirements can submit their application through the official UPSC online application system. Follow the steps below carefully.
Before Applying – Quick Checklist
- ✔️ Confirm your age on the prescribed cut-off date.
- ✔️ Match your Master’s degree with the selected post.
- ✔️ Check category and age-relaxation requirements.
- ✔️ Keep educational certificates and marksheets ready.
- ✔️ Keep a valid identity document available.
- ✔️ Check the application fee exemption criteria.
- ✔️ Review every detail before final submission.
- ✔️ Save the submitted application and payment confirmation.
Application Timeline at a Glance
Important Note Before Final Submission
The application should be submitted only after checking the official eligibility conditions applicable to your chosen post. Any incorrect information or an unsuitable qualification may affect candidature at a later stage.
Keep the official notification available while filling out the form and use the information in the UPSC application portal as the final reference for each field.
UPSC CGSE Recruitment 2027 – Official Notification
Candidates should read the complete UPSC notification before submitting the application. Post-specific qualifications, reservation provisions, age relaxation, examination rules and other conditions should be verified from the official document.
📄 Download Official Notification PDF 🌐 Visit UPSC Official WebsiteFrequently Asked Questions (FAQs)
UPSC has announced a total of 127 tentative vacancies under the Geological Survey of India (GSI) and Central Ground Water Board (CGWB).
The online application process is scheduled to begin on 02 September 2026.
Eligible candidates can submit their online application up to 22 September 2026, 6:00 PM.
The prescribed application fee is ₹200. Female candidates, SC, ST and PwBD candidates are exempted from payment of the fee as per the applicable rules.
Candidates should generally be between 21 and 32 years as on 01 January 2027, with applicable relaxation for eligible categories.
The qualification depends on the selected post. Generally, candidates need a relevant Master’s degree in disciplines such as Geology, Geophysics, Chemistry or Hydrogeology.
The recruitment process consists of three stages: Preliminary Examination, Main Examination and Personality Test.
The Preliminary Examination is scheduled to be conducted on 10 January 2027.
The complete notification can be downloaded from the official UPSC website. Candidates should always refer to the official PDF for post-wise eligibility and other conditions.
Conclusion
The Combined Geo-Scientist Examination 2027 is an important opportunity for qualified candidates looking for specialised scientific and technical positions under central government organisations.
With 127 tentative vacancies across GSI and CGWB, candidates from eligible Geology, Geophysics, Chemistry and Hydrogeology backgrounds can consider this examination according to their educational qualification and preferred post.
Before submitting the application, carefully verify your qualification, age, category requirements and other eligibility conditions. Candidates should also keep all required certificates and documents ready in advance.
Founder & Government Job Analyst | CareerJobAlert.com
Nimain Charan Juanga is the Founder of CareerJobAlert.com and a Government Job Analyst specializing in SSC, UPSC, Railway, Banking, and State Government recruitment updates. He focuses on publishing accurate job notifications, exam updates, admit cards, results, and official career alerts across India. All information is carefully verified from official government sources before publication to ensure reliability and accuracy for job seekers.