UPSC CDS (I): Exam Date, Notification & Latest Update

Last Updated: Aug 15, 2026

Aug 15 • General • 4 Views • No Comments on UPSC CDS (I): Exam Date, Notification & Latest Update

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 Apply, What It Offers, and How It Compares

For graduates weighing their next career move, the Combined Defence Services Examination (I) 2027 is one of several routes into uniformed service. Unlike the civil services, which lead to administrative posts, CDS steers successful candidates into the Indian Army, Navy or Air Force as commissioned officers. The exam is shorter than the UPSC Civil Services Examination, has fewer stages, and offers a direct entry into officer training—provided the candidate meets the eligibility rules and medical standards. This briefing explains who can sit the exam, what the job entails, how many seats are on offer, and how CDS compares with adjacent competitive exams a candidate might consider instead.

What the Exam Is and Who Runs It

The UPSC CDS (I) 2027 is conducted by the Union Public Service Commission (UPSC) to fill vacancies in the Indian Military Academy (IMA), Indian Naval Academy (INA), Air Force Academy (AFA) and Officers’ Training Academy (OTA). The exam is held twice a year—CDS (I) in April and CDS (II) in September—but only the April cycle is open for applications in December 2026. The exam is shorter than the UPSC Civil Services Examination: it has three stages (prelims, mains and SSB interview) rather than the civil services’ two written stages plus an interview. The CDS route is attractive to graduates who want an officer’s commission without the longer probation and district postings of the civil services.

Stages of the Exam: A Concise Map

The CDS (I) 2027 follows a three-stage process. The first stage is a written prelims paper that tests English, general knowledge and elementary mathematics. The third stage is the Services Selection Board (SSB) interview, which assesses officer-like qualities over five days. There is no separate descriptive paper or additional tier; the mains is the final written stage before the SSB.

Vacancies and Competition: How Many Seats Are There?

The official notification for CDS (I) 2027 lists the number of vacancies by academy and branch. Historically, the Officers’ Training Academy (OTA) offers the largest number of seats, followed by the Indian Military Academy (IMA). The Air Force Academy (AFA) and Naval Academy (INA) have fewer vacancies but attract candidates with engineering or science backgrounds. The competition ratio—applicants per seat—variates by academy, but the overall trend is that each year more graduates apply while the number of vacancies remains relatively stable. For the exact vacancy figures for 2027, consult the official notification; these figures determine how selective each academy is and whether a candidate’s profile aligns with the available opportunities.

Eligibility: Who Can Sit the Exam?

The eligibility rules for CDS (I) 2027 are set out in the official notification and should be read carefully before any application is made. The rules cover age limits, educational qualifications, nationality and marital status. For example, the Indian Military Academy requires a graduate degree and an age band that varies by entry type, while the Air Force Academy sets stricter age and educational requirements for flying branch candidates. The notification also specifies medical standards that are non-negotiable; candidates who assume eligibility based on past cycles risk disqualification. The eligibility rules are not repeated here; they are available in the official notification and must be verified before proceeding.

What the Job Actually Involves

A CDS selectee joins one of four academies: the Indian Military Academy (IMA) in Dehradun, the Naval Academy (INA) in Ezhimala, the Air Force Academy (AFA) in Dundigal, or the Officers’ Training Academy (OTA) in Chennai. Training lasts between 49 and 52 weeks, depending on the academy and branch. After passing out, officers are commissioned into their respective services and posted to units across India and overseas. Army officers typically serve in infantry, artillery or support arms; Navy officers serve on ships or in shore establishments; Air Force officers train as pilots or serve in technical and ground duty branches. The career progression is structured: after five to seven years, officers can compete for higher courses such as the Defence Services Staff College or the National Defence Academy. The CDS route is therefore best suited to graduates who are certain they want a uniformed career, not a civil administrative post.

How CDS Compares with Adjacent Exams

Graduates considering CDS often also look at the National Defence Academy (NDA) exam, the Territorial Army, and the UPSC Civil Services Examination. The NDA is open to Class 12 pass-outs and trains cadets for three years before commissioning; CDS is for graduates and offers direct entry into officer training. The Territorial Army is a part-time commitment and does not lead to a full-time commission. The UPSC Civil Services Examination leads to the Indian Administrative Service, Indian Police Service or Indian Foreign Service, not to a uniformed career. CDS is therefore the most direct route into the armed forces for graduates who want a full-time commission without the longer probation of the civil services.

Syllabus: What You Need to Know (Briefly)

The syllabus is defined by the subjects in each stage, but the depth required is less than that of the civil services. The prelims paper covers English comprehension, general knowledge and elementary mathematics. The SSB interview assesses officer-like qualities rather than academic knowledge. The exact paper structure, marks and durations are set out in the official notification; this briefing does not repeat those details.

How to Prepare (Orientation Only)

Preparation for CDS (I) 2027 can be divided into three tracks: written exams, SSB interview and medical standards. For the written exams, candidates should build a daily GK habit, practise mathematics drills, and work on précis and essay writing. For the SSB, candidates should read leadership case studies, join group discussions, and record mock interviews to refine communication. Medical standards should be checked early; minor issues such as refractive errors or colour perception can disqualify candidates. For detailed preparation guidance, candidates should consult specialist sites or coaching institutes; this briefing focuses on eligibility, va

Last updated 15 August 2026. Dates change — always confirm on the official commission website before acting on them.

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