CDS OTA Syllabus 2026, Subject-wise Syllabus, Pattern, Books
CDS OTA Syllabus 2026 includes two topics for written exam- English and General Knowledge. The questions are asked from the Graduation level. CDS Exam Pattern consists of a total of 200 marks. The duration of each paper is 2 hours.
CDS OTA Exam Pattern 2026
CDS OTA written exam is offline and the paper is based on the MCQ pattern where a negative marking of 1/3 marks for every incorrect answer is deducted. The aspirants who qualify for the CDS exam are called for the interview round. After qualifying for the written exam the aspirants are called for an SSB interview. If aspirants want to join Officer Training Academy the exam pattern is as follows:
| Subjects | No. of question | Maximum marks | Duration |
|---|---|---|---|
| English | 100 | 100 | 2 hours |
| General knowledge | 100 | 100 | 2 hours |
As we above state the aspirant after qualifying for the written exam eligible to appear for an SSB interview. The duration of the SSB interview will be 5 days.
CDS OTA Syllabus 2026
The syllabus of CDS OTA consists of 3 sections where OTA consists of two sections which are similar to the CDS except for Elementary Mathematics. Let's have a look at the detailed syllabus for the written exam here:
| Name of section | Standard | Main topics |
|---|---|---|
| English | Graduate-level | Spotting error questions, Sentence arrangement questions, Synonyms & Antonyms, Selecting words, Ordering of sentences, Comprehension questions, Ordering of words in a sentence, Fill in blank questions, Idioma and phrases |
| General Knowledge | Graduate-level | Economics, Physics, Current affairs, Politics, Chemistry, Sociology, History, Defence-related award, Geography, Environment, Sports, Biology, Cultural, Book author name, Statement, true/ false |
| Elementary Mathematics | 10 the standard | Arithmetic Number System—Natural numbers, Integers, Rational and Real numbers. Fundamental operations, addition, subtraction, multiplication, division, Square roots, and Decimal fractions. Unitary method, time and distance, time and work, percentages, applications to simple and compound interest, profit and loss, ratio and proportion, variation. 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. H.C.F. and L.C.M. Euclidean algorithm. Logarithms to base 10, laws of logarithms, use of logarithmic tables. ALGEBRA Basic Operations, simple factors, Remainder Theorem, H.C.F., L.C.M., Theory of polynomials, solutions of quadratic equations, the relation between its roots and coefficients (Only real roots to be considered). Simultaneous linear equations in two unknowns—analytical and graphical solutions. Simultaneous linear inequations in two variables and their solutions. Practical problems lead to two simultaneous linear equations or inequations in two variables or quadratic equations in one variable & their solutions. Set language and set notation, Rational expressions and conditional identities, 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 s and distances. GEOMETRY Lines and angles, Plane and plane figures, Theorems on (i) Properties of angles at a point, (ii) Parallel lines, (iii) Sides and angles of a triangle, (iv) Congruency of triangles, (v) Similar triangles, (vi) Concurrence of medians and altitudes, (vii) Properties of angles, sides and diagonals of a parallelogram, rectangle and square, (viii) Circles and their properties including tangents and normals, (ix) Loci. MENSURATION Areas of squares, rectangles, parallelograms, triangles and circles. Areas of figures can be split up into these figures (Field Book), Surface area and volume of cuboids, lateral surface and volume of right circular cones and cylinders, and surface area and volume of spheres. STATISTICS Collection and tabulation of statistical data, Graphical representation frequency polygons, histograms, bar charts, pie charts etc. Measures of central tendency. |
CDS OTA Interview 2026
SSB interview consists of two stages to pass in the selection process- Stage A, and Stage B. Here the detailed information about CDS SSB Interview:
Stage A: includes officer intelligence rating (OIR) tests Picture Perception & Description Test. The candidates will be shortlisted based on their performance in both tests.
Stage B: this includes interviews, Group Testing Officer Tasks, Psychology Tests and the Conference. These tests are conducted over 4 days.
The personality of aspirants will be judged by three assessors- the Interview Officer, the Group testing officer, and the Psychologist.
There is no separate weightage for each test. The marks depend on the aspirant's performance in the above tests. In addition, marks for the conference are also allotted on the initial performance of the candidate in the three techniques and decisions of the board.
Best Books for CDS OTA 2026 Exam
Here is a list of recommended CDS books for the preparation of OTA written exam as follows:
| Name of books | Author/ Publisher |
|---|---|
| Objective General English | S.P. Bakshi (Arihant Publications) |
| High School English Grammer & Composition | Wren and Martin |
| General Awareness | Manohar Panday (Arihant publications) |
| Newspapers | Hindu, The Indian Express, The Economic Times |
| Mathematics for CDS | R.S.Aggarwal |
| Quantitative aptitude for competitive examination | R.S.Aggarwal |
The aspirants are advised to keep a regular visit to the official website of CDS to get the latest updates related to the exam. CDS syllabus is quite lengthy, but constant study and study plan will surely help you to get the best result as per your expectation.
| Relevant Links | ||
|---|---|---|
| CDS Previous Year Question Papers | CDS Selection Process | CDS Answer Key |
| CDS Mock Test Series | CDS Study Material | CDS Cutoff |
CDS OTA Syllabus 2026 FAQs
Ques: How much time do I need to prepare for the CDS OTA exam?
Ans: The complete syllabus of CDS is quite lengthy to cover in a short span. The time taken to cover the CDS syllabus only depends on the aspirants’ ability and intelligence to grasp a new concept and deal with the new pattern of learning. On average, a candidate takes 4-6 months to prepare the CDS syllabus.
Ques: Is the syllabus of CDS and OTA the same?
Ans: Yes, the syllabus of CDS and OTA are the same in two sections as English and General Knowledge. In the OTA examination, the Elementary Mathematics paper is not held as CDS held. So in short, the above same papers of CDS and OTA has the same syllabus with the same marks and time duration.
Ques: What are the various sections of the CDS and OTA written exam syllabus?
Ans: The different sections of the CDS written exam syllabus are English, General Knowledge, and Elementary Mathematics. And OTA syllabus includes English and General Knowledge. For more details about the syllabus stated in the above article, read it carefully.
Ques: What is the selection process for the CDS OTA exam?
Ans: The selection process of the CDS OTA consists of 2 stages first, the written exam and the second, the SSB interview. The aspirants who qualified written exam followed by an SSB interview. And after qualifying for the interview the aspirants need to go for document verification and medical examination for the final selection.
Ques: Where can I download the CDS OTA syllabus?
Ans: The complete syllabus of the CDS OTA written exam is available on the official website of the CDS and UPSC board. Aspirants can easily download the CDS OTA syllabus 2026 PDF from there. The official website is www.upsc.gov.in and www.upsconline.nic.in.
Ques: How many attempts are allowed to appear for the CDS OTA exam?
Ans: There is no such restriction on the number of attempts taken by aspirants till he satisfies all the eligibility criteria set by the UPSC board.
Ques: Is mentioning the material status important in the CDS OTA application form?
Ans: Yes, material status updates filing is important to appear for the CDS OTA exam. Only unmarried males and females can apply for the official training academy. And the married candidates can apply rest of the academies.
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