UPSC CGSE 2027 Notification: 127 Posts, Apply Online
The Union Public Service Commission (UPSC) has released the notification for the Combined Geo-Scientist Examination (CGSE) 2027, under Examination Notice No. 01/2027-GEOL, dated 2 September 2026, inviting online applications for 127 tentative vacancies of Geologist, Geophysicist, Chemist, and related Group A/B posts in the Geological Survey of India (GSI), Ministry of Mines, and the Central Ground Water Board (CGWB), Ministry of Jal Shakti. Applications go online, running 2 to 22 September 2026, 6:00 PM.
| Conducting Body | Union Public Service Commission (UPSC) |
| Examination Notice No. | 01/2027-GEOL |
| Organizations | Geological Survey of India (GSI), Central Ground Water Board (CGWB) |
| Total Vacancies | 127, tentative |
| Age Limit | 21–32 years, as on 1 January 2027 |
| Application Window | 2–22 September 2026, 6:00 PM |
| Preliminary Exam Date | 10 January 2027 |
| Main Exam Date | 19–20 June 2027 |
Posts Covered
Geologist, Geophysicist, Chemist, Assistant Geologist, Assistant Geophysicist, and Assistant Chemist in GSI; Scientist ‘B’ and Assistant-level posts in CGWB.
Eligibility
A relevant Master’s degree in Geology, Geophysics, Chemistry, or Hydrogeology (or a related subject specific to the post), from a recognized university.
Application Fee
₹200 for General/OBC/EWS male candidates; exemptions apply for women, SC/ST, and PwBD candidates as per standard UPSC norms.
Selection Process
A Preliminary Examination, followed by a Main Examination and a Personality Test/Interview. This notification covers the Preliminary stage application only.
How to Apply
- Visit upsconline.nic.in.
- Fill the Common Application Form (CAF), shared across UPSC exams.
- Complete 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 Commission instructions.
- Submit before 22 September 2026, 6:00 PM — no withdrawal, correction, or alteration is permitted after submission, except the one-time URN profile edit facility.
Official Links
Apply Online: upsconline.nic.in
Official Website: upsc.gov.in
Frequently Asked Questions
Q: What is the last date to apply?
A: 22 September 2026, 6:00 PM.
Q: How many vacancies does this recruitment cover?
A: 127, tentative, across GSI and CGWB.
Q: When is the Preliminary Exam?
A: 10 January 2027.
Q: Can I correct my application after submission?
A: No — no withdrawal, correction, or alteration is permitted, except the one-time URN profile edit facility, which doesn’t affect already-submitted applications.
Final Word
Since applications cannot be corrected or altered after submission except through a limited URN profile edit, review every field of your Common Application Form carefully before final submission rather than assuming you can fix errors afterward.