Combined Geo-Scientist (Preliminary) Examination, 2027

• Posts127
• Last date22 Sep 2026
• Apply from2 Sep 2026
• FeeRs. 200; Female, SC, ST and Persons with Benchmark Disability candidates are exempt from the fee. Payable online only, via net banking or Visa/Master/RuPay Credit/Debit Card/UPI.
• Age limit21-32 years (must have been born not earlier than 2 January 1995 and not later than 1 January 2006, as on 1 January 2027); age relaxation for reserved categories as per government rules
• EducationPost-graduate

• Post namesCategory-I, Geological Survey of India (Ministry of Mines): 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-II, Central Ground Water Board (Ministry of Jal Shakti): 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). Vacancy numbers are tentative and liable to alteration; 8 vacancies in Category-I and 2 in Category-II are reserved for Persons with Benchmark Disability.
• Exam date10 Jan 2027
• LocationAll India
• Indexed here2 Sep 2026, last checked 13 Sep 2026

Anything the official notification does not state is left out of this page rather than filled in. Verify every figure against the notification itself before you apply.

Apply online only at upsconline.nic.in (via a Universal Registration Number, Common Application Form and the examination-specific module), from 02.09.2026 to 22.09.2026 (18:00 hours). No other mode of application is accepted.

The Union Public Service Commission has notified the Combined Geo-Scientist (Preliminary) Examination, 2027 (Examination Notice No. 01/2027-GEOL) for a total of 127 tentative vacancies. Category-I covers posts in the Geological Survey of India, Ministry of Mines: Geologist Group A (29), Chemist Group A (7), Assistant Geologist Group B (34), Assistant Geophysicist Group B (35) and Assistant Chemist Group B (6), with no Geophysicist Group A vacancy notified this cycle. Category-II covers posts in the Central Ground Water Board, Ministry of Jal Shakti: Scientist 'B' (Hydrogeology), Scientist 'B' (Chemical) and Scientist 'B' (Geophysics) in Group A, and Assistant Hydrogeologist, Assistant Chemist and Assistant Geophysicist in Group B. Candidates must hold a relevant Master's degree (in Geology, Applied Geology, Geophysics, Chemistry, Hydrogeology or allied earth-science disciplines depending on the post) from a recognised university, and must be between 21 and 32 years of age as on 1 January 2027, with relaxation for reserved categories. Online applications can be submitted only at upsconline.nic.in from 2 September 2026 to 22 September 2026 (18:00 hours); no other mode is accepted. The examination fee is Rs. 200, with Female, SC, ST and Persons with Benchmark Disability candidates exempt. The Preliminary Examination (two objective-type papers, with negative marking) will be held on 10 January 2027 at 21 centres across India, including Delhi, Mumbai, Kolkata, Chennai and other major cities. Candidates who qualify will proceed to the Main (descriptive) Examination on 19-20 June 2027, followed by a Personality Test/Interview. Selection to individual posts will be based on merit, category and preference among the participating services.