| Applications open | Predicted 11th December 2026Predicted 11th December 2026 |
| Application closes | Predicted 11th December 2026Predicted 11th December 2026 |
| Official Website |
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This page lists the section-wise syllabus and topic break-up for UPSC CDS-I 2026 — Syllabus. The content is sourced from the official notification published by Union Public Service Commission (UPSC). The syllabus is authoritative for the current cycle and is intended for candidate revision and topic prioritisation. Each section below lists the topics in the order they typically appear in the official notification, with sub-topic depth aligned to the question paper's weightage. Always verify against the latest notification on the official website before finalising your preparation plan, since regulators occasionally tweak weightage or add/remove subjects between cycles.
| Section | Topics |
|---|---|
| EnglishEnglish | Reading comprehension; Cloze test; Spotting errors; Sentence improvement; Synonyms & antonyms; Idioms & phrases; Para-jumbles; Fill-in-the-blanks.Reading comprehension; Cloze test; Spotting errors; Sentence improvement; Synonyms & antonyms; Idioms & phrases; Para-jumbles; Fill-in-the-blanks. |
| General KnowledgeGeneral Knowledge | Indian History — ancient, medieval, modern; Geography of India & World; Indian Polity & Constitution; Indian Economy; Science & Technology; Defence-related current events; Sports; Awards.Indian History — ancient, medieval, modern; Geography of India & World; Indian Polity & Constitution; Indian Economy; Science & Technology; Defence-related current events; Sports; Awards. |
| Elementary Mathematics (IMA / INA / AFA only)Elementary Mathematics (IMA / INA / AFA only) | Arithmetic — number system, fractions, percentages, ratio & proportion; Algebra — linear and quadratic equations; Trigonometry — heights & distances; Geometry — triangles, circles, polygons; Mensuration — areas and volumes; Statistics — bar charts, pie charts, histograms; Time-speed-distance; SI/CI.Arithmetic — number system, fractions, percentages, ratio & proportion; Algebra — linear and quadratic equations; Trigonometry — heights & distances; Geometry — triangles, circles, polygons; Mensuration — areas and volumes; Statistics — bar charts, pie charts, histograms; Time-speed-distance; SI/CI. |
| CDSEI (upsc.gov.in), Official WebsiteCDSEI (upsc.gov.in), Official Website |