What posts are offered through UPSC Geo-Scientist 2027?

UPSC Combined Geo-Scientist recruits for Geologist in GSI (Geological Survey of India), Scientist B in GSI, Hydrogeologist in CGWB (Central Ground Water Board), Chemist in CGWB, and Junior Hydrogeologist in CGWB across India.

What is the UPSC Geo-Scientist exam pattern?

Stage 1 Prelims: General Studies (100Q) + Subject-specific MCQ (100Q). Stage 2 Mains: 3 conventional papers (Paper I, II, III — each 200 marks) in the chosen discipline (Geology/Hydrogeology/Geophysics/Chemical Science). Stage 3: Personality Test (200 marks).

What is GSI Geologist salary in 2027?

GSI Geologist (Group A) starts at ₹56,100-₹1,77,500 per month (Level 10). With DA, HRA, geological allowance, field duty allowance, and leave travel allowance, the effective package is ₹75,000-₹95,000 per month. GSI also provides subsidized housing and medical.

How many UPSC Geo-Scientist vacancies are expected in 2027?

UPSC Geo-Scientist 2027 is expected to have 70-100 vacancies. The 2024 notification had 77 vacancies while 2023 had 85. Geology stream has the most vacancies followed by Hydrogeology and Geophysics.

What is the MSc specialization required for UPSC Geo-Scientist?

For Geologist/GSI posts: MSc Geology, Applied Geology, or Marine Geology. For Hydrogeologist/CGWB: MSc Hydrogeology, Applied Geology with Hydrogeology, or MSc Geology with work experience. For Chemist/CGWB: MSc Chemistry or Chemical Sciences.

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UPSC Geo Scientist 2025 Mock Tests

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UPSC Geo Scientist 2025 was moderate in difficulty overall. The paper tested core concepts with a mix of easy, moderate, and hard questions across all sections.

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UPSC Geo Scientist 2025 — All Sessions

January Session — Shift 1

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January 2025

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