UPSC Geo Scientist Syllabus PDF Download Here
UPSC Geo Scientist Syllabus 2027: The UPSC Geo Scientist Syllabus 2027 is conducted three stages: Preliminary Examination, Main Examination, and Personality Test/ Interview and the Preliminary Exam carries 400 marks, the Main Examination carries 600 marks, and the Personality Test/Interview carries 200 marks, making the selection process worth 1,200 marks in total.
The official website of UPSC Geo Scientist Recruitment 2026 Syllabus is https://www.upsc.gov.in/. Candidates who have filled the application form for recruitment to the post of UPSC Geo Scientist should have complete information about the UPSC Geo Scientist Syllabus 2026. If the candidate has complete information about the UPSC Geo Scientist Syllabus, then he can make his exam strategy according to the syllabus.
If you are serious about the exam, then you should have complete information about the UPSC Geo Scientist Recruitment 2026 Syllabus in detail, because many candidates do not know till the time of the examination, how many questions will be asked from which subject or how many questions will be asked from which topic. If you are serious about the exam, then you must solve UPSC Geo Scientist Previous Year Question Papers.
Complete information about the UPSC Geo Scientist Syllabus is given in detail in this article. Candidates who want to download the official PDF of the UPSC Geo Scientist Exam Syllabus. UPSC Geo Scientist Syllabus PDF Download from the download link given below. Apart from the information given in this article, if the candidate wants to get any other information related to the UPSC Geo Scientist ka Syllabus 2026, then they can ask their questions through the Facebook Messenger given below, and students can ask their questions in the comment box.
UPSC Geo Scientist Syllabus 2027 Exam Overview
- Name of the Examination – UPSC Geo Scientist Recruitment
- Organising Authority / Conducting Body – Union Public Service Commission
- Level of Examination – National Level
- Educational Qualification – UG/PG Pass
- Age Limit – 21-32 Years
UPSC Geo Scientist Syllabus 2027 Selection Process
Selection will be based on –
- Stage-I: Combined Geo-Scientist (Preliminary) Examination (Objective Type Papers) for the selection of candidates for Stage-II
- Stage-II: Combined Geo-Scientist (Main) Examination (Conventional Type Papers)
- Stage-III: Personality Test/Interview
UPSC Geo Scientist Syllabus 2027 Exam Pattern
Stage-I: Combined Geo-Scientist (Preliminary) Examination:-
| Stream-I : Geologist Group ‘A’ and Assistant Geologist Group ‘B’ in GSI and Scientist B (Hydrogeology) Group ‘A’ and Assistant Hydrogeologist Group ‘B’ in CGWB | ||
| Subjects | Duration | Marks |
| Paper-I: General Studies | 2 Hours | 100 Marks |
| Paper-II: Geology/ Hydrogeology | 2 Hours | 300 Marks |
| Total | 400 Marks | |
| Stream-II : Geophysicist Group ‘A’ and Assistant Geophysicist Group ‘B’ in GSI and Scientist ‘B’ (Geophysics) Group ‘A’ and Assistant Geophysicist Group ‘B’ in CGWB | ||
| Subjects | Duration | Marks |
| Paper-I: General Studies | 2 Hours | 100 Marks |
| Paper-II : Geophysics | 2 Hours | 300 Marks |
| Total | 400 Marks | |
| Stream-III : Chemist Group ‘A’ and Assistant Chemist Group ‘B’ in GSI and Scientist ‘B’(Chemical) Group ‘A’ and Assistant Chemist Group ‘B’ in CGWB | ||
| Subjects | Duration | Marks |
| Paper-I: General Studies | 2 Hours | 100 Marks |
| Paper-II: Chemistry | 2 Hours | 300 Marks |
| Total | 400 Marks | |
Stage-II: Combined Geo-Scientist (Main) Examination
| Stream-I: Geologist Group ‘A’ and Assistant Geologist Group ‘B’ in GSI | ||
| Subjects | Duration | Marks |
| Paper-I: Geology | 3 Hours | 200 Marks |
| Paper-II: Geology | 3 Hours | 200 Marks |
| Paper-III: Geology | 3 Hours | 200 Marks |
| Total | 600 Marks | |
| Stream-II: Geophysicist Group ‘A’ and Assistant Geophysicist Group ‘B’ in GSI and Scientist ‘B’ (Geophysics) Group ‘A’ & Assistant Geophysicist Group ‘B’ in CGWB | ||
| Subjects | Duration | Marks |
| Paper-I: Geophysics | 3 Hours | 200 Marks |
| Paper-II: Geophysics | 3 Hours | 200 Marks |
| Paper-III: Geophysics | 3 Hours | 200 Marks |
| Total | 600 Marks | |
| Stream-III: Chemist Group ‘A’ and Assistant Chemist Group ‘B’ in GSI and Scientist ‘B’ (Chemical) Group ‘A’ & Assistant Chemist Group ‘B’ in CGWB | ||
| Subjects | Duration | Marks |
| Paper-I: Chemistry | 3 Hours | 200 Marks |
| Paper-II: Chemistry | 3 Hours | 200 Marks |
| Paper-III: Chemistry | 3 Hours | 200 Marks |
| Total | 600 Marks | |
| Stream-IV : Scientist ‘B’ (Hydrogeology) Group ‘A’ & Assistant Hydrogeologist Group ‘B’ in CGWB | ||
| Subjects | Duration | Marks |
| Paper-I: Geology | 3 Hours | 200 Marks |
| Paper-II: Geology | 3 Hours | 200 Marks |
| Paper-III: Hydrogeology | 3 Hours | 200 Marks |
| Total | 600 Marks | |
UPSC Geo Scientist Syllabus 2027
Syllabus of Combined Geo-Scientist (Preliminary) Examination Stage-I (Objective Type)
Paper-I: General Studies (Common for all streams)
- Current events of national and international importance.
- History of India and Indian National Movement.
- Indian and World Geography -Physical, Social, Economic Geography of India and the World.
- Indian Polity and Governance -Constitution, Political System, Panchayati Raj, Public Policy, Rights Issues etc.
- Economic and Social Development – Sustainable Development, Poverty, Inclusion, Demographics, Social Sector initiatives etc.
- General issues on Environmental Ecology, Bio-diversity and Climate Change – that do not require subject specialisation
- General Science
Stage-I (Objective Type) Paper-II : Geology/Hydrogeology
- Physical Geology: Principle of uniformitarianism; origin, differentiation and internal structure of the Earth; origin of atmosphere; earthquakes and volcanoes; continental drift, sea-floor spreading, isostasy, orogeny and plate tectonics; geological action of rivers, wind, glaciers, waves; erosional and depositional landforms; weathering processes and products.
- Structural Geology: Stress, strain and rheological properties of rocks; planar and linear structures; classification of folds and faults; Mohr’s circle and criteria for failure of rocks; ductile and brittle shear in rocks; study of toposheets, V-rules and outcrop patterns; stereographic projections of structural elements.
- Mineralogy: Elements of symmetry, notations and indices; Bravais lattices; chemical classification of minerals; isomorphism, polymorphism, solid solution and exsolution; silicate structures; physical and optical properties of common rock forming mineralsolivine, garnet, pyroxene, amphibole, mica, feldspar and quartz.
- Igneous Petrology: Magma types and their evolution; IUGS classification of igneous rocks; forms, structures and textures of igneous rocks; applications of binary and ternary phase diagrams in petrogenesis; magmatic differentiation and assimilation; petrogenesis of granites, basalts, komatiites and alkaline rocks (carbonatite, kimberlite, lamprophyre and nepheline syenite).
- Metamorphic Petrology: Limits, types and controls of metamorphism; metamorphic structures- slate, schist and gneiss; metamorphic textures- pre, syn and post tectonic porphyroblasts; concept of metamorphic zone, isograd and facies; geothermal gradients, facies series and plate tectonics.
- Sedimentology: Origin of sediments; sedimentary textures, grain-size scale; primary sedimentary structures; classification of sandstone and carbonate rocks; siliciclastic depositional environments and sedimentary facies; diagenesis of carbonate sediments.
- Paleontology: Fossils and processes of fossilization; concept of species and binomial nomenclature; morphology and classification of invertebrates (Trilobites, Brachiopods, Lamellibranchs, Gastropods and Cephalopods); evolution in Equidae and Hominidae; microfossilsForaminifera, Ostracoda; Gondwana flora.
- Stratigraphy: Law of superposition; stratigraphic nomenclature- lithostratigraphy, biostratigraphy and chronostratigraphy; Archaean cratonic nucleii of Peninsular India (Dharwar, Singhbhum, and Aravalli cratons); Proterozoic mobile belts (Central Indian Tectonic Zone, Aravalli-Delhi and Eastern Ghats); Purana sedimentary basins (Cuddapah and Vindhyan); Phanerozoic stratigraphy of India- Spiti, Kashmir, Damodar valley, Kutch, Trichinopoly, Siwaliks and Indo-Gangetic alluvium.
- Economic Geology: Properties of mineral deposits- form, mineral assemblage, texture, rock-ore association and relationship; magmatic, sedimentary, metamorphic, hydrothermal, supergene and weathering-related processes of ore formation; processes of formation of coal, and petroleum; distribution and geological characteristics of major mineral and hydrocarbon deposits of India.
- Hydrogeology: Groundwater occurrence and aquifer characteristics, porosity, permeability, hydraulic conductivity, transmissivity; Darcy’s Law in homogenous and heterogenous media; Bernoulli equation, Reynold’s number; composition of groundwater; application of H and O isotopes in groundwater studies; artificial recharge of groundwater.
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