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CDS Syllabus 2027: Section-wise Topic List

Last verified 29 Oct 2026 · Official website: upsc.gov.in

The official syllabus as a checklist, with links to practice questions for each topic.

The Maths paper is at Class 10 level. GK expects what an educated person knows, plus current affairs. English tests understanding and correct use of words.

English

  • Reading comprehension
  • Spotting errors
  • Sentence improvement
  • Fill in the blanks
  • Synonyms and antonyms
  • Idioms and phrases
  • Ordering of sentences (para jumbles)
  • Ordering of words in a sentence

General Knowledge

  • Current events and everyday observation
  • Indian history and the freedom struggle
  • Indian and world geography
  • Indian polity and Constitution
  • Economy basics
  • Environment and ecology
  • General science (Physics, Chemistry, Biology)
  • Defence: Army, Navy, Air Force facts, exercises and equipment
  • Sports, awards, books and summits

Elementary Mathematics – Arithmetic

  • Number system: natural, integer, rational and real numbers
  • Square roots and decimals
  • Unitary method, time and work, time and distance
  • Percentages, profit and loss, simple and compound interest
  • Ratio and proportion
  • Divisibility, primes, HCF and LCM, Euclid's algorithm
  • Logarithms (base 10) and their laws

Elementary Mathematics – Algebra

  • Basic operations and factorisation
  • Remainder theorem
  • HCF and LCM of polynomials
  • Relation between roots and coefficients
  • Quadratic equations
  • Simultaneous linear equations and inequations in two variables
  • Set language and notation
  • Rational expressions
  • Laws of indices

Elementary Mathematics – Trigonometry

  • Sine, cosine, tangent for acute angles
  • Values at 0°, 30°, 45°, 60°, 90°
  • Simple identities
  • Heights and distances

Elementary Mathematics – Geometry

  • Lines and angles, parallel lines
  • Triangles: congruence and similarity
  • Medians, altitudes, bisectors
  • Quadrilaterals and parallelograms
  • Circles, tangents and normals
  • Loci

Elementary Mathematics – Mensuration

  • Areas of squares, rectangles, triangles, circles and parts of circles
  • Surface area and volume of cuboids, cones, cylinders and spheres

Elementary Mathematics – Statistics

  • Collecting and tabulating data
  • Bar charts, histograms, frequency polygons, pie charts
  • Mean, median and mode

Not yet confirmed on the official website. Check the official notice before you act on it.

Source: pw.live

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