UPSC CDS (I): Exam Date, Notification & Latest Update
Last Updated: Aug 13, 2026
Current stage (2027): Prelims schedule released
The official schedule for the UPSC CDS (I) 2027 exam has been released, including exam dates, vacancies, and reporting time.
UPSC CDS (I) — Key Dates
| Stage | 2027 |
|---|---|
| Notification | 2 Dec 2026 |
| Apply by | 22 Dec 2026 |
| Prelims | 11 Apr 2027 (written) |
| Mains | — |
| Interview / Final | SSB interview after result |
| Fee | Rs 200 (Gen); SC/ST/Women exempt |
Official website: https://upsc.gov.in
UPSC CDS (I) 2027: Who Should Sit This Exam, and What It Delivers
The UPSC Combined Defence Services Examination (CDS) is often overshadowed by the more visible UPSC Civil Services Examination, yet it remains one of the most respected entry routes into the officer cadre of the Indian Armed Forces. For a young graduate or final-year student who seeks a career of responsibility, adventure and public service, the CDS (I) 2027 offers a clear pathway—but only if the candidate understands the demands, the competition and the realities of life as a defence officer. This briefing sets out who is eligible, what the job entails, how the exam compares with similar options, and what realistic prospects look like.
What the CDS exam is and who conducts it
The UPSC CDS (I) 2027 is a national-level competitive examination conducted by the Union Public Service Commission to select candidates for the Indian Military Academy (Dehradun), Indian Naval Academy (Ezhimala), Air Force Academy (Hyderabad) and the Officers’ Training Academy (Chennai) for both men and women. Unlike the Civil Services Examination, which recruits generalist administrators, the CDS recruits specialist officers destined for the three services or short-service commissions. The exam is held twice a year—CDS (I) in April and CDS (II) in September—giving motivated candidates two bites at the cherry.
The UPSC is responsible for the entire process: notification, examination, result declaration and recommendation to the respective academies. The academies themselves—run by the three services—then conduct the final training and commissioning. The CDS is therefore a gateway managed by a civilian constitutional body but leading to uniformed leadership roles.
Stages of the exam: what the UPSC tests at each level
The CDS exam is structured in three distinct stages, each designed to assess different facets of a candidate’s readiness for officer training and subsequent service.
- Preliminary Written Examination: A single objective paper of 100–120 multiple-choice questions covering English, General Knowledge and Elementary Mathematics. The paper is designed to filter out candidates who lack speed, accuracy and broad-based awareness. It is not a test of deep expertise; it is a test of quick recall and disciplined elimination under time pressure.
- SSB Interview: The Services Selection Board conducts a five-day assessment of officer-like qualities—leadership, social adaptability, mental robustness and physical stamina. The SSB is not an academic hurdle; it is a behavioural marathon. Candidates who treat it as another written test usually fail. Those who understand its psychology—group discussions, personal interviews, outdoor tasks—gain an edge that raw marks cannot buy.
Vacancies and competition: the realistic picture
The UPSC releases the vacancy list alongside the notification. For the current cycle, the official notification sets out the exact number of posts for each academy and gender. Competition is intense, especially for the Air Force Academy and the Naval Academy, where the applicant-to-vacancy ratio can exceed 300:1. The Officers’ Training Academy (OTA) for men and women attracts a larger pool of applicants but offers more vacancies, making it a realistic fallback for candidates who miss the cut for the other academies.
| Academy | Vacancies (current cycle) | Typical applicants per vacancy |
|---|---|---|
| Indian Military Academy (IMA) | See official notification | ~200 |
| Indian Naval Academy (INA) | See official notification | ~300 |
| Air Force Academy (AFA) | See official notification | ~400 |
| Officers’ Training Academy (OTA) – Men | See official notification | ~120 |
| Officers’ Training Academy (OTA) – Women | See official notification | ~250 |
The exact vacancy figures are published in the official notification. What matters for aspirants is that the preliminary stage is the primary bottleneck. Clearing prelims is therefore the first and most critical hurdle; without it, the mains and SSB stages remain out of reach.
Who should consider the CDS (I) 2027—and who should look elsewhere
The CDS is not for everyone. It is best suited to candidates who:
- hold a graduate degree (or are in the final year) and are within the age bracket specified in the notification;
- are physically fit and prepared to meet the medical and service-specific standards;
- seek a career of leadership, adventure and public service rather than a generalist civil-service posting;
- are comfortable with structured training environments and eventual posting anywhere in the country or overseas.
Candidates who are unsure whether the CDS is right for them should compare it with adjacent options:
- NDA (National Defence Academy): For school-leavers aged 16–19 who wish to train at the NDA before joining the services. The NDA offers a longer, more immersive training pipeline but is open only to Class 12 pass students.
- INET (Indian Navy Entrance Test): A direct-entry route for engineering graduates into the Navy. It is service-specific and does not require clearing the UPSC CDS.
- AFCAT (Air Force Common Admission Test): The Air Force’s own entry test for flying, technical and ground-duty branches. It is separate from the CDS and is held twice a year.
- Civil Services Examination: For candidates who prefer a generalist career in the IAS, IPS or IFS. The CSE offers broader postings but is far more competitive at the prelims stage.
If your goal is to become an officer in the armed forces and you meet the eligibility criteria, the CDS (I) 2027 is a credible pathway. If you are still in school or wish to pursue a non-technical civil-service career, other exams may be more appropriate.
Eligibility: the essential gatekeepers
The UPSC sets minimum thresholds for age, qualification and nationality in every notification. For the current cycle, the official notification specifies:
- Age limits that vary by academy and gender;
Last updated 13 August 2026. Dates change — always confirm on the official commission website before acting on them.
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