UPSC Geo-Scientist 2027 · Notification & recruitment
UPSC Geo-Scientist Notification 2027: Recruitment, Vacancy, Dates, Fee and How to Apply
The latest UPSC Geo-Scientist notice is "Combined Geo-Scientist Examination, 2027 — Examination Notice No. 01/2027-GEOL", published 2 September 2026. Applications closed on 22 September 2026.
Official notice: Combined Geo-Scientist Examination, 2027 — Examination Notice No. 01/2027-GEOL →
Dates, vacancies, fee, eligibility and selection process, copied from the latest official notice. Nothing here is estimated; the official notice is the final word.
UPSC Geo-Scientist 2027 important dates
Applications closed on 22 September 2026.
| Online application opens | 2 September 2026 |
|---|---|
| Online application closes | 22 September 2026 (6 pm) |
| Preliminary (Stage-I) examination | 10 January 2027 |
| Main (Stage-II) examination | 19 and 20 June 2027 |
| Personality Test (Stage-III) | To be announced separately |
Source: Combined Geo-Scientist Examination, 2027 — Examination Notice No. 01/2027-GEOL (published 2 September 2026). Confirm in the official notice before applying.
UPSC Geo-Scientist vacancy 2027
Vacancies: Tentative: GSI 111 and CGWB 16 (127 by adding the post-wise figures; no total or category-wise split printed; 10 reserved for PwBD)
- Category I — Geological Survey of India (Ministry of Mines): Geologist, Geophysicist and Chemist (Group 'A'); Assistant Geologist, Assistant Geophysicist and Assistant Chemist (Group 'B')
- Category II — Central Ground Water Board (Ministry of Jal Shakti): Scientist 'B' (Hydrogeology), Scientist 'B' (Chemical) and Scientist 'B' (Geophysics) (Group 'A'); Assistant Hydrogeologist, Assistant Chemist and Assistant Geophysicist (Group 'B')
Source: Combined Geo-Scientist Examination, 2027 — Examination Notice No. 01/2027-GEOL (published 2 September 2026). Confirm in the official notice before applying.
Posts and tentative vacancies (Notice No. 01/2027-GEOL)
The notice lists post-wise vacancies, described as tentative and liable to alteration. It does not print a total or a category-wise (UR/EWS/OBC/SC/ST) split; reservation follows the vacancies fixed by the Government.
One application and one fee cover both categories (GSI and CGWB), but you may apply for posts under one stream/discipline only, chosen at the time of application.
Category I — Geological Survey of India
| Post | Group | Vacancies | PwBD (included) |
|---|---|---|---|
| Geologist | A | 29 | 1 OH (OA/OL) |
| Geophysicist | A | 0 | — |
| Chemist | A | 7 | 1 HH |
| Assistant Geologist | B | 34 | 1 OH (OA/OL), 1 HH |
| Assistant Geophysicist | B | 35 | 3 HH |
| Assistant Chemist | B | 6 | 1 HH |
Adding the rows gives 111; PwBD 8. No total is printed.
Category II — Central Ground Water Board
| Post | Group | Vacancies | PwBD (included) |
|---|---|---|---|
| Scientist 'B' (Hydrogeology) | A | 5 | 1 HH |
| Scientist 'B' (Chemical) | A | 1 | — |
| Scientist 'B' (Geophysics) | A | 1 | — |
| Assistant Hydrogeologist | B | 7 | 1 LDCP |
| Assistant Chemist | B | 1 | — |
| Assistant Geophysicist | B | 1 | — |
Adding the rows gives 16; PwBD 2. No total is printed.
UPSC Geo-Scientist eligibility summary
Age limit: At least 21 and below 32 years (born not earlier than 2 January 1995 and not later than 1 January 2006) (as on 1 January 2027).
- Geologist (GSI): Master's 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 (GSI) / Scientist 'B' (Geophysics) (CGWB): M.Sc. in Physics, Applied Physics, Geophysics, Exploration Geophysics, Applied Geophysics or Marine Geophysics, or M.Sc. (Tech.) (Applied Geophysics)
- Chemist (GSI) / Scientist 'B' (Chemical) (CGWB): M.Sc. in Chemistry, Applied Chemistry or Analytical Chemistry
- Scientist 'B' (Hydrogeology) / Assistant Hydrogeologist (CGWB): Master's in Geology, Applied Geology, Marine Geology or Hydrogeology
- Assistant Geologist (GSI): Master's or Integrated Master's in Geology, Applied Geology, Mineral Exploration, Marine Geology or Earth Science
- Assistant Geophysicist (GSI/CGWB): M.Sc., M.Sc. (Tech) or Integrated M.Sc. in Geophysics, Exploration/Applied/Marine Geophysics, Geo-Exploration, Physics, Applied Physics or Applied Geology
- Assistant Chemist (GSI/CGWB): M.Sc. or Integrated M.Sc. in Chemistry or a listed specialisation (e.g. Applied, Analytical, Physical, Inorganic, Organic, Hydro- or Industrial Chemistry)
- Final-year candidates may apply but must produce proof of passing within 10 days after the Main result, if qualified for interview
UPSC Geo-Scientist application fee
₹200, by net banking, Visa/Master/RuPay credit or debit card, or UPI; non-refundable
Female, SC, ST and PwBD candidates are exempt. OBC and EWS candidates have no exemption.
Source: Combined Geo-Scientist Examination, 2027 — Examination Notice No. 01/2027-GEOL (published 2 September 2026). Confirm in the official notice before applying.
UPSC Geo-Scientist selection process
- Stage-I: Preliminary — two objective papers, 2 hours each, 400 marks
- Stage-II: Main — three descriptive papers, 3 hours each, 600 marks
- Stage-III: Personality Test — 200 marks
- Preliminary marks are counted for the final merit
How to apply for the UPSC Combined Geo-Scientist Examination
- 1
Register on the UPSC portal
Apply online only at upsconline.nic.in; no other mode is allowed. Create an account and a Universal Registration Number (URN), which is registered once, then fill the Common Application Form and the examination-specific module (fee and centre). For the 2027 examination the window was 2–22 September 2026 (6 pm).
- 2
Choose your stream and preferences
One application covers both GSI and CGWB, but you may apply for posts in one stream only. Opt for at least one service, or you will not be considered for allocation. A reserved category, once chosen, cannot be changed to another.
- 3
Upload photo, signature and ID
Upload a photograph and capture a live photo, upload your signature (signed three times on white paper in black ink), and give one photo ID such as Aadhaar, Voter Card, PAN, Passport or Driving Licence. Aadhaar is strongly advised.
- 4
Pay the fee
₹200 by net banking, Visa/Master/RuPay card or UPI. Female, SC, ST and PwBD candidates are exempt; OBC and EWS candidates must pay. The fee is non-refundable.
- 5
Check before you submit
No withdrawal and no correction are allowed after submission, so check every detail first.
- 6
Download the e-Admit Card
It is issued on the last working day of the week before the examination, on the UPSC website only (not by post). The Preliminary has 21 centres and the Main 9, allotted first-apply-first-allot where centres have capacity ceilings.
- 7
Get help if needed
UPSC helpline: 011-24041001 or 011-40303444, 10 am – 5:30 pm on working days during the application window; email upscsoap@nic.in.
UPSC Geo-Scientist official links
- Official notice (PDF): Combined Geo-Scientist Examination, 2027 — Examination Notice No. 01/2027-GEOL (published 2 September 2026)
- Official website: upsc.gov.in (the only place to apply)
Check the official notice before applying: https://www.upsc.gov.in/sites/default/files/Notif-CGSPE-2027-Engl-020926.pdf
Frequently asked questions
When can I apply for UPSC Geo-Scientist?
Online application opens: 2 September 2026, as per the notice published on 2 September 2026. Applications are made only on upsc.gov.in.
How many vacancies are there in UPSC Geo-Scientist?
Tentative: GSI 111 and CGWB 16 (127 by adding the post-wise figures; no total or category-wise split printed; 10 reserved for PwBD), according to the Combined Geo-Scientist Examination, 2027 — Examination Notice No. 01/2027-GEOL.
What is the application fee for UPSC Geo-Scientist?
₹200, by net banking, Visa/Master/RuPay credit or debit card, or UPI; non-refundable. Female, SC, ST and PwBD candidates are exempt. OBC and EWS candidates have no exemption. (as per the Combined Geo-Scientist Examination, 2027 — Examination Notice No. 01/2027-GEOL).
How many vacancies are there in UPSC Geo-Scientist 2027?
The notice lists tentative post-wise vacancies: 111 in the Geological Survey of India and 16 in the Central Ground Water Board when the printed figures are added (127 in all), including 10 for PwBD. It prints no total and no category-wise split.
Can final-year students apply?
Yes. If you qualify for the interview, you must produce proof of passing the qualifying examination within the 10-day window given after the Main result.
Can I apply for both GSI and CGWB posts?
Yes, one application and fee covers both categories, but only for posts within one stream/discipline.
What is the application fee?
₹200. Female, SC, ST and PwBD candidates are exempt.