1. General Awareness & Current Affairs

• Current Affairs: National and international news, government schemes, and awards (usually the past 6–12 months).
• General Knowledge (Static GK): Indian History (Ancient, Medieval, Modern), Indian Polity, Physical/Indian/World Geography, and Basic Economy.
• Everyday Science: Basic concepts in physics, chemistry, and biology taught up to the 10th standard.

2. Quantitative Aptitude

• Arithmetic: Number systems, HCF/LCM, percentages, profit & loss, simple & compound interest, ratios, and averages.
• Advanced Math: Time & work, time, speed & distance, and mensuration.
• Data Interpretation: Solving questions based on data tables, pie charts, and graphs.

3. Reasoning & General Intelligence

• Verbal Reasoning: Coding-decoding, blood relations, direction sense, syllogism, and number/alphabet series.
• Non-Verbal Reasoning: Figure counting, water/mirror images, and paper folding/cutting.
• Logical Analysis: Puzzles, seating arrangements, statement-conclusion, and assertion-reasoning.

4. English Language

• Vocabulary & Grammar: Synonyms, antonyms, error spotting, fill in the blanks, and sentence improvement.
• Comprehension: Reading comprehension and para jumbles (sentence rearrangement).

5. Computer Awareness

• Computer Basics: Basic hardware and software, internet terminology, MS Office (Word, Excel, PowerPoint), and shortcut keys.

To narrow down your focus, review the exact notification or syllabus PDF on authoritative platforms such as the official UPSC Website or the Staff Selection Commission portal for central government jobs.