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“headline”: “CDS Exam 2026: Notification, Eligibility, Syllabus & Selection Process”,
“description”: “Complete CDS 2026 guide — UPSC CDS notification, eligibility, syllabus, exam pattern, and SSB selection for IMA, INA, AFA, and OTA.”,
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“datePublished”: “2026-03-06”,
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“acceptedAnswer”: {“@type”: “Answer”, “text”: “CDS (Combined Defence Services) exam is conducted by UPSC twice a year to recruit officers into Indian Military Academy (IMA), Indian Naval Academy (INA), Air Force Academy (AFA), and Officers Training Academy (OTA). It is a written exam followed by SSB interview for candidates who qualify.”}
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“name”: “What is the eligibility for CDS 2026?”,
“acceptedAnswer”: {“@type”: “Answer”, “text”: “For IMA: Unmarried male graduates aged 19–24. For INA: Unmarried male graduates (Engineering for technical entry) aged 19–22. For AFA: Unmarried male graduates with Physics and Maths in 12th, aged 19–23. For OTA: Male and female graduates aged 19–25 (male unmarried only).”}
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“name”: “What is the CDS exam pattern 2026?”,
“acceptedAnswer”: {“@type”: “Answer”, “text”: “CDS exam for IMA/INA/AFA has 3 papers: English (100 marks, 2 hrs), General Knowledge (100 marks, 2 hrs), and Elementary Mathematics (100 marks, 2 hrs). For OTA, there are only 2 papers: English and GK (Mathematics not required). Negative marking: 1/3 of marks for wrong answers.”}
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“name”: “When is CDS 1 2026 exam?”,
“acceptedAnswer”: {“@type”: “Answer”, “text”: “CDS 1 2026 exam is typically held in February. The notification releases in October–November 2025. CDS 2 2026 notification is expected in May–June 2026 with the exam in September 2026. Check upsc.gov.in for official dates.”}
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“name”: “Is Maths compulsory for CDS?”,
“acceptedAnswer”: {“@type”: “Answer”, “text”: “Mathematics is compulsory for IMA, INA, and AFA entries in CDS. For OTA (Officers Training Academy) entry, there is no Mathematics paper — only English and General Knowledge are tested.”}
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“name”: “What is the CDS syllabus for General Knowledge?”,
“acceptedAnswer”: {“@type”: “Answer”, “text”: “CDS GK syllabus covers Current Events, History of India and World, Geography, Indian Polity and Economy, Physics, Chemistry, General Science, and Defence-specific topics. It is broader than NDA GK and requires awareness of national and international affairs.”}
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CDS (Combined Defence Services) exam 2026 is conducted by UPSC to recruit graduates as officers in the Indian Army, Navy, and Air Force. If you’re a graduate aspiring to join the armed forces after age 19, CDS is your primary path. This guide covers everything — CDS 2026 notification, eligibility, syllabus, exam pattern, and selection process.
CDS 2026 Important Dates
| Event | CDS I 2026 | CDS II 2026 |
|---|---|---|
| Notification | October–November 2025 | May–June 2026 |
| Application Start | November 2025 | June 2026 |
| Application Last Date | November–December 2025 | June–July 2026 |
| Written Exam | February 2026 | September 2026 |
| SSB Interview | April–September 2026 | November 2026 – March 2027 |
CDS 2026 Eligibility Criteria
| Academy | Gender | Age | Marital Status | Education |
|---|---|---|---|---|
| IMA (Indian Military Academy) | Male | 19–24 years | Unmarried | Any degree from recognised university |
| INA (Indian Naval Academy) | Male | 19–22 years | Unmarried | Engineering degree (B.E./B.Tech) |
| AFA (Air Force Academy) | Male | 19–23 years | Unmarried | Degree with Physics & Maths in 12th, or Engineering |
| OTA — Men (Officers Training Academy) | Male | 19–25 years | Unmarried | Any degree from recognised university |
| OTA — Women | Female | 19–25 years | Any | Any degree from recognised university |
CDS 2026 Exam Pattern
| Paper | IMA / INA / AFA | OTA | Duration |
|---|---|---|---|
| English | 100 marks | 100 marks | 2 Hours |
| General Knowledge | 100 marks | 100 marks | 2 Hours |
| Elementary Mathematics | 100 marks | ❌ Not Required | 2 Hours |
| Total | 300 marks | 200 marks | — |
Negative Marking: 1/3 of marks deducted for each wrong answer. All papers are objective (MCQ) type.
CDS 2026 Syllabus
English
- Spotting errors, sentence improvement, fill in the blanks
- Synonyms, antonyms, ordering of words in a sentence
- Comprehension passage, ordering of sentences in a paragraph
General Knowledge
- Current affairs: National & international events, defence news
- History: Indian & World history, freedom movement, post-independence
- Geography: Physical geography of India, world geography, climate
- Polity: Constitution, government structure, elections, fundamental rights
- Economy: Basics of Indian economy, budget, Five-Year Plans
- Physics, Chemistry, Biology: Class 10–12 level concepts
- Defence-specific: Military terms, operations, Indian defence organisations
Elementary Mathematics
- Number system, HCF/LCM, square roots, average
- Ratio & proportion, percentages, profit & loss, simple & compound interest
- Time & distance, time & work
- Algebra: Basic operations, equations, quadratic equations
- Geometry: Lines, angles, triangles, circles, quadrilaterals
- Mensuration: Area, volume of 2D and 3D shapes
- Statistics: Mean, median, mode, bar charts, histograms
- Trigonometry: Basic ratios, heights and distances
CDS vs NDA: Key Differences
| Parameter | NDA | CDS |
|---|---|---|
| Eligibility | Class 12 pass / appearing | Graduation completed |
| Age | 16.5 – 19.5 years | 19 – 25 years (branch-wise) |
| Gender | Male & Female | Male & Female (OTA for women) |
| Interview | SSB (5 days) | SSB (5 days) |
| Maths in Exam | Yes (Class 12 level) | Yes (Class 10 level) — not for OTA |
| Training Academy | NDA, Pune (then to IMA/INA/AFA) | Directly to IMA/INA/AFA/OTA |
NCA Academy provides comprehensive coaching for both NDA and CDS examinations. With over 59 years of experience, our faculty includes ex-defence officers who guide candidates through the written exam as well as the SSB interview process.
Frequently Asked Questions — CDS Exam 2026
CDS (Combined Defence Services) is a UPSC exam conducted twice a year to recruit graduates as officers into IMA, INA, AFA, and OTA of the Indian Armed Forces.
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