Summary: The CDS 1 2027 Notification will be an important opportunity for graduates who are preparing to join the Indian Armed Forces through the Combined Defence Services Examination. According to the UPSC Annual Calendar 2027, the CDS 1 2027 examination is scheduled for 11 April 2027 (Sunday). The notification is scheduled to be released on 2 December 2026, while the last date to submit the application is 22 December 2026. 

CDS 1 2027 Notification is Out Now: Check Details

Candidates interested in the Indian Military Academy (IMA), Indian Naval Academy (INA), Air Force Academy (AFA), or Officers' Training Academy (OTA) should start their preparation well before the application process begins.

Note: The UPSC Annual Calendar provides scheduled dates, and UPSC states that examination dates can be altered if circumstances require it. The detailed eligibility conditions, vacancies, fee, syllabus, and application instructions will be confirmed in the official CDS 1 2027 notification. 

CDS 1 2027 Important Dates

The above dates are based on the UPSC Annual Calendar 2027. 

CDS 1 2027 Notification

The CDS 1 2027 notification is scheduled to be released on 2 December 2026. The notification will contain the complete details required by candidates, including vacancies, eligibility criteria, educational qualifications, age limits, examination scheme, syllabus, application procedure and important instructions.

Candidates should refer to the official UPSC notification once it is released rather than relying on previous-year eligibility conditions, as specific requirements can vary between examinations.

CDS 1 2027 Application Form

The CDS 1 2027 application process is scheduled to begin with the release of the notification on 2 December 2026. The last date for receipt of applications is 22 December 2026.

Candidates should complete the application within the prescribed period and carefully check all details before final submission. UPSC has also directed candidates to use its new application portal for applications. 

The detailed application instructions, fee requirements, and documents needed will be available with the official notification.

CDS 1 2027 Exam Date

The CDS 1 2027 exam date is 11 April 2027 (Sunday). The examination will be conducted in one day. 

Candidates should plan their preparation around the official examination date and keep sufficient time for revision, mock tests, and previous-year question papers.

CDS 1 2027 Eligibility Criteria

The detailed eligibility criteria will be confirmed through the CDS 1 2027 notification. Generally, CDS candidates are required to meet conditions relating to:

• Nationality
• Age
• Educational qualification
• Marital status
• Physical and medical standards
• Academy-specific requirements

The educational qualification varies according to the academy.

Indian Military Academy

Candidates applying for IMA generally need a degree from a recognised university or an equivalent qualification.

Indian Naval Academy

Candidates applying for INA generally require a degree in Engineering from a recognised university/institution.

Air Force Academy

Candidates generally need a degree from a recognised university with Physics and Mathematics at 10+2 level, or a Bachelor of Engineering/Bachelor of Technology qualification, subject to the conditions specified in the notification.

Officers' Training Academy

Candidates applying for OTA generally require a degree from a recognised university or an equivalent qualification.

The exact age limits and other conditions should be checked in the CDS 1 2027 notification after its release.

CDS 1 2027 Exam Pattern

The CDS written examination consists of objective-type papers. The papers depend on the academy for which the candidate applies.

The written examination is followed by the SSB interview/personality assessment for candidates who qualify according to the applicable selection process.

The detailed marks, duration and question distribution should be verified against the CDS 1 2027 notification once UPSC releases it.

CDS 1 2027 Selection Process

The selection process generally involves the following stages:

Written Examination - SSB Interview/Personality Assessment - Document Verification - Medical Examination - Final Selection

Candidates must qualify at each applicable stage according to UPSC and the respective service requirements.

CDS 1 2027 Syllabus

The written examination broadly covers three subjects:

English

The English paper assesses candidates on areas such as:

• Grammar
• Vocabulary
• Synonyms and antonyms
• Sentence improvement
• Spotting errors
• Reading comprehension
• Idioms and phrases
• Sentence arrangement

General Knowledge

The General Knowledge section can include:

• Current Affairs
• History
• Geography
• Indian Polity
• Economics
• General Science
• Defence-related developments
• Static General Knowledge

Elementary Mathematics

Mathematics broadly includes:

• Arithmetic
• Algebra
• Trigonometry
• Geometry
• Mensuration
• Statistics

Candidates should use previous-year CDS papers to understand the question pattern and topic distribution.

CDS 1 2027 Preparation Strategy

With the examination scheduled for 11 April 2027, candidates have a defined preparation timeline. A structured preparation plan can help cover the syllabus while leaving adequate time for revision.

Build the basics: Start with fundamental concepts, particularly in Mathematics and English grammar.

Follow current affairs: Maintain regular notes on national and international developments, defence news, awards, sports and important government initiatives.

Solve previous-year papers: CDS previous-year papers help candidates understand recurring concepts, question styles, and time-management requirements.

Take mock tests: Regular mocks can help identify weak areas and improve speed and accuracy.

Revise regularly: Keep separate revision notes for formulas, vocabulary, current affairs and important facts.

CDS 1 2027 Admit Card

The CDS 1 2027 admit card will be released by UPSC separately before the examination. Candidates should download it from the official UPSC platform and check details such as their examination centre, roll number, date and reporting instructions.

The exact admit-card release date has not been provided in the Annual Calendar.

CDS 1 2027 Answer Key

After the examination, candidates will look for the CDS 1 2027 Answer Key to compare their responses and estimate their marks.

Unofficial answer keys may become available shortly after the examination from coaching institutes. UPSC may publish its official answer key later in the examination cycle. For example, UPSC's CDS II 2025 page shows that the official answer key was uploaded after the written and final-result stages. 

Candidates should therefore distinguish between an institute's answer key and the official UPSC answer key.

CDS 1 2027 Result

The CDS 1 2027 result will be released by UPSC after the written examination and evaluation process. Candidates who qualify in the written examination are subsequently considered for the applicable SSB process.

The exact result date has not yet been announced.

CDS 1 2027 Vacancy

The number of vacancies for CDS 1 2027 will be mentioned in the official notification. UPSC has not yet provided the academy-wise vacancy details in the Annual Calendar.

The vacancy distribution may include seats for:

• Indian Military Academy
• Indian Naval Academy
• Air Force Academy
• Officers' Training Academy

Candidates should wait for the official notification for the final vacancy figures.

Why Start CDS 1 2027 Preparation Early?

Although the examination is scheduled for April 2027, starting preparation early gives candidates time to complete the syllabus, strengthen fundamentals and practise multiple previous-year papers.

Candidates who are targeting CDS 1 2027 can also use the period before the notification to improve their English, Mathematics and General Knowledge fundamentals rather than waiting for the application window to open.

CDS 1 2027: What Candidates Should Track

Candidates should keep track of the following updates:

• CDS 1 2027 Notification
• Application Form
• Last Date to Apply
• Vacancy Details
• Eligibility Criteria
• Exam Pattern
• Syllabus
• Exam Centre
• Admit Card
• Question Paper
• Answer Key
• Written Result
• SSB Interview
• Final Result