The CDS 1 2026 notification will be released on December 10, 2025. Interested candidates can apply for CDS 1 2026 from 10th Dec to 30 Dec 2025 and CDS 1 2026 Exam will be held on 12th April, 2026. CDS 2 2026 notification will be released on May 20, 2026. In order to attain good score in CDS 1 2026 Examination, it is important for aspirants to have a deep understanding of the CDS Syllabus. Aspirants can also download CDS Syllabus PDF.
CDS 1 2026 Important Dates
All the candidates who are interested in CDS 1 2026 Exam must bookmark the dates and those who are interested in upcoming CDS Exams must go through the below article for detailed CDS Syllabus 2026.
| Notification Date | 10th December, 2025 |
| Online Application Start Date | 10th December, 2025 |
| Application End Date | 30th December, 2025 |
| Admit Card Release Date | Last week of March 2026 |
| Exam Date | 12th April 2026 |
| Result Date | Last Week of April 2026 |
CDS 2026 Syllabus
The candidates who are preparing for the CDS exam must go through the comprehensive subject-wise CDS Syllabus for English, General Knowledge and Mathematics and CDS Exam Pattern to ensure their preparation for the CDS exam.
CDS English Syllabus (Code No. 1)
| Section | Topic |
| Vocabulary | Basic Grammar, Idioms & Phrases, Synonyms & Antonyms, Sentence Completion, etc. |
| Reading Passage | Reading Comprehension Solving, Para Jumbles, Understanding the main idea and supporting details, Answering questions based on the passage, etc. |
| Grammar | Error Spotting, Sentence Improvement, Cloze test, Active and passive voice, Direct and indirect speech, Transformation of sentences, etc. |
CDS Syllabus General Knowledge (Code No. 2)
| Topic | Description |
| Geography | Physical, Social and Economic aspects of Geography, including Indian Geography and World Geography |
| History | Ancient, Medieval and Modern Indian History, Indian National Movement and the Growth of Nationalism |
| Current Affairs | Important National and International Events, Sports, Appointment, Awards and Honours, Books and Authors and major Developments in the fields of Economics, Politics and Social Issues |
| Indian Polity | Constitution of India, Political System, Panchayati Raj, Public Policy, Rights Issues, DPSP, etc. |
| Defence and Security Issues | Current Events related to National Security, Internal and External Threats, Military Exercises and role of Armed Forces |
| Science and Technology | Developments in the field of Technology and Science, including Space Technology, Biotechnology, and Computer Technology |
| Environmental Ecology and Biodiversity | Conservation, Environmental Pollution and Degradation, Environmental Impact Assessment, and Climate Change |
Mathematics Syllabus (Code No. 3)
| Section | Topic |
| Arithmetic | Number System: Natural numbers, Rational & Real numbers, Integers Fundamental operation: Subtraction, multiplication, addition, division, Square Roots, Decimal fractions Time and Work Percentage Time and Distance Simple and Compound Interest Ratio and Proportion Profit and Loss Elementary Number Theory: Division algorithm Prime and Composite Numbers: Tests of divisibility by 2, 3, 4, 5, 9 and 11. Multiples and factors Factorisation Theorem L.C.M. and H.C.F. Euclidean Algorithm Logarithms to base 10, use of logarithmic tables Laws of logarithms |
| Algebra | Basic Operations Simple factors H.C.F. and L.C.M. Remainder Theorem Theory of polynomials Solutions of quadratic equations, the relation between its roots and coefficients (Only real roots to be considered) Linear inequalities in two variables and their solutions Linear equations in two unknowns – analytical and graphical solutions Practical problems leading to two simultaneous linear equations or inequalities in two variables or quadratic equations in one variable and their solutions Rational expressions and conditional identities Set Language and Set Notation Laws of indices. |
| Trigonometry | Sine ×, cosine ×, Tangent × when 0° < × < 90° Values of sin ×, cos × and tan ×, for × = 0°, 30°, 45°, 60° and 90° Simple trigonometric identities. Use of trigonometric tables. Simple cases of heights and distances. |
| Geometry | Plane and plane figures, Lines and angles Theorems on: Properties of angles at a point Parallel lines Sides and angles of a triangle Congruency of triangles Similar triangles Concurrence of medians and altitudes Properties of angles, sides and diagonals of a parallelogram, square and rectangle Circles and their properties including tangents and normals Loci |
| Mensuration | Areas of squares, rectangles, parallelograms, triangles and circles. Surface area and volume of cuboids, lateral surface and volume of right circular cones and cylinders, Areas of figures which can be split up into these figures (Field Book), surface area and volume of spheres |
| Statistics | Collection and tabulation of statistical data Graphical representation frequency: Polygons, Histograms, Bar charts, Pie charts Measures of central tendency |
Aspirants can also download CDS Syllabus PDF.
Conclusion
I hope this article about CDS Notification and Syllabus definitely will be helpful for you. If you want to know more about CDS Exam i.e. Selection Process, Educational Qualification, Preparation Tips and Career Prospects then you can check Complete Information about CDS. If you are planning to prepare for NDA Written Exam as well as SSB Interview then can join Target Defence Academy, Lucknow, UP. For more details about Target Defence Academy call on 8953532115.