UPSC CDS I Examination 2025 Exam Schedule – The exam date of Combined Defence Services CDS First Examination 2025 has been released on the official website by the Union Public Service Commission, so you can find out all the information related to the exam date admit card below.
Important Dates
- Start Date : 11/12/2024
- Last Date : 01/01/2025 Till 06:00 PM
- Fee Payment Last Date : 01/01/2025
- Modify / Edit Form : 01-07 January 2025
- UPSC CDS I 2025 Exam Date : 13/04/2025
- Admit Card Available : Before Exam
- Result Declared : Notified Soon
Exam date
According to the notification issued, the exam will be conducted on Sunday, 13th April 2025. The exam will start at 9:00 am and will end at 11:00 am. After that two more exams will be conducted which will start at 12:30 pm and will end at 2:30 pm and the third exam will start at 4:00 pm and will end at 6:00 pm.
Vacancy Details
| Post Name | Total Post | |
| Indian Military Academy (IMA) | 100 | |
| Indian Naval Academy (INA) | 32 | |
| Air Force | 32 | |
| Officers Training Academy (OTA) | 275 | |
| OTA Women | 18 | |
Age Limit
| Post Name | CDS I Age Limit | ||
| Indian Military Academy( IMA) | 02/01/2002 to 01/01/2007 | ||
| Indian Naval Academy (INA) | 02/01/2002 to 01/01/2007 | ||
| Air Force | 02/01/2002 to 01/01/2006 | ||
| Officers Training Academy (OTA) | 02/01/2001 to 01/01/2007 | ||
| OTA Women | |||
Qualification
| Post Name | UPSC CDS First Eligibility 2025 | |
| Indian Military Academy( IMA) | Passed / Appearing Bachelor Degree in Any Stream at Any Recognized University. | |
| Indian Naval Academy (INA) | Passed / Appearing Bachelor Degree in Engineering at Any Recognized University. | |
| Air Force | Bachelor Degree in Any Stream with Physics, Mathematics in 10+2 Level OR Bachelor Degree in Engineering | |
| Officers Training Academy (OTA) | Passed / Appearing Bachelor Degree in Any Stream at Any Recognized University. | |
| OTA Women | ||
| Important Links | |||||||
| Download Exam Schedule | Click Here | ||||||
| Apply Online | Click Here | ||||||
| Download Notification | Click Here | ||||||
CDS Syllabus 2025
| Exam Conducting Body | Union Public Service Commission (UPSC) |
| Exam Name | Combined Defence Services (CDS 1 2025) |
| Mode of exam | Offline |
| CDS 1 Exam Date 2025 | 13th April 2025 |
| Number of sections | Indian Military Academy (IMA), Indian Naval Academy (INA) and Air Force Academy (AFA) – Three Officers’ Training Academy (OTA) – Two |
| Total marks of the test | IMA, INA and AFA – 300 OTA – 200 |
| Nature of questions | Objective type |
| Language of question paper | Hindi and English |
| Duration of the test | 2 hours for each section of the test |
CDS Exam Pattern for Written Exam
| Subject | Duration | Maximum marks |
| English | 2 hours | 100 |
| General Knowledge | 2 hours | 100 |
| Elementary Mathematics | 2 hours | 100 |
The CDS Exam comprises 3 subjects namely, English, general knowledge, and elementary mathematics.
The exam will consist of objective-type questions.
The question papers on General Knowledge and Elementary Mathematics will be set bilingually in Hindi and English.
Time duration will be provided 02 hours for each subject.
CDS Exam Pattern for Officers’ Training Academy (OTA)
| Subjects | Duration | Maximum marks |
| English | 2 hours | 100 |
| General Knowledge | 2 hours | 100 |
Syllabus And Exam Pattern
CDS English Syllabus
- Spotting Errors Questions
- Sentence Arrangement Questions
- Synonyms & Antonyms
- Selecting Words
- Ordering of Sentence
- Reading Comprehension Questions
- Ordering of words in a sentence
- Fill in the blanks questions
- Idioms and Phrases
- Sentence Improvements or Sentence Corrections
CDS General Knowledge (GK) Syllabus
- Economics
- Physics
- Current Affairs
- Politics
- Chemistry
- Sociology
- History
- Defence related Award
- Geography
- Environment
- Sport
- Biology
- Cultural
- Book
CDS Mathematics Syllabus
| Sections | Topics |
| Algebra | Basic Operations Simple factors * Remainder Theorem * H.C.F. * L.C.M. * Theory of polynomials * solutions of quadratic equations * 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 leading 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 |
| Arithmetic | * Number System: Natural numbers, Integers, Rational and Real numbers. * Fundamental operations: addition, substraction, multiplication, division, Square roots, 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 |
| 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 | * Lines and angles * Plane and plane figures * 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 * rectangle and square * Circles and its properties including tangents and normals * Loci |
| Mensuration | * Areas of squares * rectangles * parallelograms * triangle and circle * Areas of figures which 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 * 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 |