The selection process for the UPSC Combined Geo-Scientist Examination 2025 involves multiple stages. Here’s a detailed breakdown:

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1. Preliminary Examination

• Type: Objective (Multiple Choice Questions)
• Mode: Computer-Based Test (CBT)
• Papers:
  1. Paper I: General Studies (Common for all streams)
     • Marks: 100
     • Duration: 2 hours
  2. Paper II: Stream Specific (Geology/Hydrogeology, Geophysics, Chemistry)
     • Marks: 300
     • Duration: 2 hours

2. Main Examination

• Type: Descriptive
• Papers:
  1. Geology/Hydrogeology:
     • Paper I: Geomorphology, Remote Sensing, Structural Geology, Geodynamics
       • Marks: 200
       • Duration: 3 hours
     • Paper II: Stratigraphy, Paleontology, Indian Geology
       • Marks: 200
       • Duration: 3 hours
     • Paper III: Hydrogeology, Engineering Geology, Mineral Exploration, Geochemistry
       • Marks: 200
       • Duration: 3 hours
  2. Geophysics:
     • Paper I: Solid Earth Geophysics, Earthquake Seismology, Mathematical Methods in Geophysics
       • Marks: 200
       • Duration: 3 hours
     • Paper II: Electromagnetism, Geophysical Prospecting, Gravity and Magnetic Methods
       • Marks: 200
       • Duration: 3 hours
     • Paper III: Seismology, Electrical and Electromagnetic Methods, Well Logging
       • Marks: 200
       • Duration: 3 hours
  3. Chemistry:
     • Paper I: Inorganic Chemistry
       • Marks: 200
       • Duration: 3 hours
     • Paper II: Organic Chemistry
       • Marks: 200
       • Duration: 3 hours
     • Paper III: Physical Chemistry
       • Marks: 200
       • Duration: 3 hours

3. Personality Test/Interview

• Marks: 200
• This stage assesses the candidate’s overall personality, including intellectual curiosity, critical powers of assimilation, balance of judgment, and alertness of mind.

4. Document Verification

• Candidates who clear the Main Examination and Interview will undergo document verification to confirm their eligibility and qualifications.

5. Medical Examination

• Candidates must meet the physical and medical standards as prescribed by the UPSC.

Summary

• Preliminary Exam: 400 marks
• Main Exam: 600 marks
• Interview: 200 marks
• Total: 1200 marks

for more information check official notification

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