When it comes to cracking the CDS exam, a good coaching institute can provide the structure, practice and guidance an aspirant needs. This guide covers the important details of the Combined Defence Services examination and explains how IFA Defence Academy supports CDS aspirants in Chandigarh.
The CDS Examination is the gateway for graduates aspiring to serve as commissioned officers in the Indian Army, Navy and Air Force. This highly competitive journey demands dedication, strategic preparation, physical readiness and expert mentoring.
IFA Defence Academy: CDS Coaching in Chandigarh
IFA Defence Academy provides structured CDS coaching with professional faculty and updated study material prepared by experienced subject experts. Our team focuses on conceptual understanding, exam-oriented practice, regular testing and complete student mentoring.
Why Choose IFA for CDS Coaching?
CDS Exam Complete Details
The Union Public Service Commission conducts the Combined Defence Services Examination to select candidates for the Indian Military Academy, Officers Training Academy, Indian Naval Academy and Air Force Academy.
How to Become a CDS Officer?
A candidate must qualify the CDS written examination, SSB Intelligence and Personality Test, and medical examination. Selected candidates train at their allotted academy, developing leadership, discipline, military knowledge and physical fitness before commissioning.
CDS Exam Overview
- Conducting body: Union Public Service Commission
- Level: National
- Frequency: Generally twice a year
- Mode: Offline, pen-and-paper
- Questions: Objective type with negative marking
- Stages: Written examination, SSB and medical examination
- IMA/INA/AFA papers: English, General Knowledge and Elementary Mathematics
- OTA papers: English and General Knowledge
CDS Eligibility Criteria
Nationality
Candidates must satisfy the nationality conditions in the current UPSC notification, including eligible citizens of India, specified subjects of Nepal or Bhutan and other notified categories.
Age Limit
- Indian Naval Academy: generally 19–24 years
- Air Force Academy: generally 20–24 years
- Officers Training Academy, men and women: generally 19–25 years
Exact dates and marital-status conditions must be checked in the latest notification.
Academic Qualification
- IMA: Graduation degree
- INA: Engineering degree as notified
- AFA: Graduation with required 10+2 Physics and Mathematics, or engineering qualification
- OTA: Graduation degree
CDS Selection Process
- Written Examination: UPSC conducts objective papers in offline mode. IMA, INA and AFA candidates take English, General Knowledge and Elementary Mathematics; OTA candidates take English and General Knowledge.
- SSB Intelligence and Personality Test: Screening, psychological tests, group tasks, personal interview and conference assess officer-like qualities.
- Medical Examination: Recommended candidates undergo detailed physical and medical evaluation.
- Final Merit: Selection depends on written and SSB performance, medical fitness, preferences and vacancies.
CDS Exam Pattern
IMA, INA and AFA
- English — 100 marks, 2 hours
- General Knowledge — 100 marks, 2 hours
- Elementary Mathematics — 100 marks, 2 hours
Officers Training Academy
- English — 100 marks, 2 hours
- General Knowledge — 100 marks, 2 hours
Questions are objective, answers are marked on an OMR sheet and negative marking applies according to UPSC rules.
What Sets Top CDS Coaching Apart?
- Experienced faculty with deep syllabus and exam-pattern knowledge.
- Comprehensive curriculum supported by updated notes, question banks and mock tests.
- Personal mentoring addressing individual strengths and weaknesses.
- Mock-test analysis to improve accuracy, time management and strategy.
- Holistic preparation covering academics, confidence, fitness and stress management.
Choosing the Right CDS Coaching in Chandigarh
- Check reputation, verified results and alumni feedback.
- Review faculty credentials and teaching approach.
- Inspect batch size, classrooms, library and learning resources.
- Ask about SSB support, counselling and doubt sessions.
- Compare fees, transparency, flexibility and online/offline options.
CDS English Syllabus
- Spotting errors
- Sentence arrangement and ordering
- Synonyms and antonyms
- Selecting words and fill in the blanks
- Comprehension
- Idioms and phrases
- Grammar and vocabulary usage
CDS Elementary Mathematics Syllabus
Number System and Arithmetic
- Natural numbers, integers, rational and real numbers
- Fundamental operations, square roots and decimal fractions
- Time and distance, time and work, percentages
- Simple and compound interest, profit and loss, ratio and proportion
Elementary Number Theory
- Division algorithm, prime and composite numbers
- Divisibility, multiples, factors, HCF and LCM
- Logarithms and their laws
Algebra
- Basic operations, factors, remainder theorem and polynomials
- Quadratic and simultaneous linear equations
- Linear inequalities, sets, indices and rational expressions
Trigonometry
- Trigonometric ratios and standard-angle values
- Simple identities, tables, heights and distances
Geometry
Lines and angles, triangles, congruence, similarity, parallelograms, rectangles, squares, circles, tangents, normals and loci.
Mensuration
Areas of plane figures and surface area and volume of cuboids, cones, cylinders and spheres.
Statistics
Collection and tabulation of data, frequency polygons, histograms, bar charts, pie charts and measures of central tendency.
CDS General Knowledge Syllabus
CDS OTA Syllabus
OTA candidates take English and General Knowledge. English covers sentence arrangement, errors, vocabulary, comprehension, ordering, idioms and fill-in-the-blanks. General Knowledge includes current affairs, science, geography, history, polity, sociology, economics, defence, sports, culture and environment.
Salary of a CDS Officer
Pay depends on rank, current defence pay rules, allowances and posting. A newly commissioned Lieutenant is generally placed in the notified Level 10 pay matrix, with military service pay and applicable allowances. Candidates should refer to the current UPSC notification for authoritative figures.
Preparation Tips for CDS
- Understand the latest syllabus and exam pattern.
- Create a realistic subject-wise study plan.
- Practise previous papers and timed mock tests regularly.
- Improve English through newspapers, books and grammar practice.
- Follow current affairs and revise static General Knowledge.
- Analyse errors and strengthen weak concepts.
- Practise time management and intelligent question selection.
- Maintain physical fitness and a disciplined routine.
Conclusion
The CDS journey requires complete knowledge of eligibility, selection, pattern and syllabus, followed by consistent preparation. IFA Defence Academy provides CDS coaching in Chandigarh along with preparation for NDA, AFCAT, CAPF and other defence examinations.