UPSC CDS (I): Exam Date, Notification & Latest Update
Last Updated: Aug 14, 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 Lies Ahead
The Combined Defence Services examination is one of the few UPSC routes that still offers a direct commission into the officer ranks of the Indian Armed Forces. For a candidate scanning multiple competitive exams, CDS (I) 2027 is worth considering only if you are genuinely prepared to commit to a military career and to the posting realities that follow. This briefing sets out the essentials—eligibility, vacancies, competition and career progression—so you can decide whether to invest time in the notification and, if so, how seriously to take it.
What the CDS Exam Is and Who Runs It
The UPSC conducts the CDS examination twice a year—once for CDS (I) in April and again for CDS (II) in September. The exam recruits for four academies: the Indian Military Academy (IMA) in Dehradun, the Indian Naval Academy (INA) in Ezhimala, the Air Force Academy (AFA) in Dundigal, and the Officers’ Training Academy (OTA) in Chennai. IMA, INA and AFA offer permanent commissions for men, while OTA offers both permanent and short-service commissions for men and women. The exam itself has three stages: a written prelims test, a written mains test, and a personality-cum-aptitude assessment conducted by the Services Selection Board (SSB).
Vacancies and Competition: What the Official Numbers Show
The official notification for CDS (I) 2027 lists the vacancies academy-wise. Historically, IMA commands the largest share of vacancies, followed by OTA which trains both permanent and short-service officers. INA and AFA offer fewer seats but attract candidates with engineering or science backgrounds. The competition ratio—applicants per seat—varies by academy and by category. For men, the ratio is typically highest for IMA and AFA, often exceeding 10:1 in the general category. For women, the ratio is lower but still significant, especially in OTA where the number of female applicants has risen sharply. The official vacancy table is the only authoritative source for the exact numbers; candidates should consult it before deciding whether to apply.
Eligibility: The Non-Negotiable Gate
UPSC sets the eligibility criteria in the official notification for CDS (I) 2027. These include age bands, educational qualifications, and nationality rules. Age limits differ by academy and gender, with IMA, INA and AFA generally requiring candidates to be between 19 and 24 years on the first day of the month in which the course begins. OTA has a slightly wider band—19 to 25 years for men and 19 to 24 years for women. Educational qualifications range from a bachelor’s degree in any discipline for IMA, INA and OTA to a degree in engineering or a recognised university for AFA. Nationality rules require candidates to be Indian citizens. Women candidates should note that they are exempt from the application fee, a small but practical advantage when budgeting for multiple attempts. The notification is the definitive source for these rules; do not rely on past cycles.
Career Path and Posting Realities
A CDS commission leads to a permanent or short-service appointment in the armed forces. Permanent commissioned officers (IMA, INA, AFA) serve until retirement, while short-service officers (OTA) can opt for permanent commission later or exit after five years with benefits. Postings are governed by the exigencies of service and can include operational tours, staff appointments, and instructional duties. The first posting after training is typically to a unit or ship close to the academy’s region—Dehradun graduates often go to the northern plains, Ezhimala graduates to southern naval commands, and Dundigal graduates to air bases across the country. Family accommodation is provided but is often limited in size and location, and frequent transfers are the norm. Aspirants should weigh these realities against their personal circumstances before committing to the exam.
How CDS Compares with Adjacent Exams
For candidates deciding between CDS, NDA, AFCAT and CAPF, the key differences lie in commission type, age limits and exam structure. NDA offers a combined defence academy route for Class XII pass-outs and leads to permanent commissions in the three services. AFCAT recruits for the flying, technical and ground duty branches of the Air Force and has a younger age profile. CAPF (Assistant Commandant) is a paramilitary entry that does not confer a defence commission. CDS is unique in offering direct entry for graduates into the officer corps, with a written exam followed by SSB and a two-year training pipeline. If your goal is a military career after graduation, CDS is the most direct route; if you are still in school or prefer paramilitary service, NDA or CAPF may be better fits.
Quick Orientation: Syllabus, Preparation and SSB
The CDS written exam is divided into two stages: prelims and mains. The prelims is a single objective paper covering general knowledge and elementary mathematics, while the mains consists of two descriptive papers—English and general knowledge—each of three hours. The exact marks distribution and qualifying standards are set out in the notification and should be read carefully. For preparation, serious candidates typically spend 6–9 months on focused study, with heavy emphasis on mathematics drills, static GK recall and English précis writing. The SSB interview is a five-day assessment of officer-like qualities; it includes group tasks, psychological tests, a personal interview and a conference. While coaching can help, the SSB ultimately rewards authenticity and presence rather than rote learning. For mock tests and current-affairs updates, aspirants can use UPSC CDS mock tests on Examophobia and exam updates on OurEducation.
CDS (I) 2027 is a serious commitment. If you are unsure whether a military career aligns with your aspirations, read the notification, speak to serving officers, and consider sitting the exam only after you are genuinely prepared to accept the posting realities that follow. For those who are certain, the exam remains one of the most direct routes into the officer ranks of the Indian Armed Forces.
Last updated 14 August 2026. Dates change — always confirm on the official commission website before acting on them.
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