Lesson 1.4: Exam Pattern and Selection Process
Overview
The exam pattern and selection process of NDA, CDS, and AFCAT are designed to test a candidate’s academic knowledge, aptitude, and personality. Each exam has a unique structure, but all three include a written test, SSB Interview, and medical examination. Understanding the exam pattern helps candidates plan their preparation effectively.
1. NDA Exam Pattern
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Conducting Body: UPSC
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Mode of Exam: Offline (Pen & Paper)
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Subjects & Marks:
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Mathematics → 120 Questions | 300 Marks
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General Ability Test (GAT) → 150 Questions | 600 Marks
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Total Marks: 900 (Written Test)
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SSB Interview: 900 Marks
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Final Merit: Based on Written + SSB
Selection Process:
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Written Examination
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SSB Interview (5-day process)
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Medical Examination
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Final Merit List
2. CDS Exam Pattern
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Conducting Body: UPSC
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Mode of Exam: Offline
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Subjects & Marks:
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IMA, INA, AFA → English (100), General Knowledge (100), Elementary Mathematics (100)
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OTA → English (100), General Knowledge (100)
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Total Marks:
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IMA/INA/AFA → 300
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OTA → 200
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SSB Interview: 300 Marks (IMA/INA/AFA), 200 Marks (OTA)
Selection Process:
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Written Examination
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SSB Interview (Psychological, GTO, Personal Interview)
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Medical Examination
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Final Merit List
3. AFCAT Exam Pattern
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Conducting Body: Indian Air Force
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Mode of Exam: Online (Computer Based Test)
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Subjects & Marks:
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General Awareness, English, Numerical Ability, Reasoning & Military Aptitude
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100 Questions | 300 Marks
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Duration → 2 Hours
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EKT (Engineering Knowledge Test): For Technical Branch applicants only (50 Questions, 150 Marks, 45 Minutes).
Selection Process:
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Written Test (AFCAT + EKT for technical candidates)
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AFSB Interview (Air Force Selection Board – 5-day process)
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Medical Examination
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Final Merit List
4. Comparison Snapshot
| Exam | Written Marks | Interview Marks | Final Stage |
|---|---|---|---|
| NDA | 900 | 900 | Medical + Merit |
| CDS | 300 (IMA/INA/AFA) / 200 (OTA) | 300 / 200 | Medical + Merit |
| AFCAT | 300 (+150 EKT for Technical) | – (AFSB Interview, no fixed marks) | Medical + Merit |
Key Takeaways
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NDA → Written (Maths + GAT) + SSB + Medical.
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CDS → Written (English, GK, Maths/No Maths for OTA) + SSB + Medical.
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AFCAT → Online Test (with/without EKT) + AFSB + Medical.
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Final selection in all exams is based on merit list, combining written performance, SSB, and medical fitness.
