CDS 1 2027 Notification Date Out : has been announced by the Union Public Service Commission (UPSC) through its Annual Examination Calendar 2027. According to the official schedule, the detailed notification for the Combined Defence Services Examination (I), 2027 will be released on 2 December 2026. The last date to submit the online application is 22 December 2026, while the written examination is scheduled for 11 April 2027.
Candidates planning to join the Indian Military Academy (IMA), Indian Naval Academy (INA), Air Force Academy (AFA), or Officers’ Training Academy (OTA) should begin their preparation now. This article by The Lakshya Academy explains the expected eligibility criteria, selection process, exam pattern, syllabus, application procedure, and preparation strategy for CDS 1 2027.
Latest update (7 September 2026): UPSC has released the CDS 1 2027 dates through its annual calendar, but the detailed examination notification has not yet been issued. Vacancy numbers, exact date-of-birth limits, fee, and academy-wise conditions will be confirmed only in the official notification on 2 December 2026.
CDS 1 2027 Notification Date Out
| DOWNLOAD CDS NOTIFICATION PDF | CLICK HERE |
CDS 1 2027 Notification Date Out:
| Event | Official scheduled date |
| CDS 1 2027 notification release | 2 December 2026 |
| Online application begins | 2 December 2026 |
| Last date to apply | 22 December 2026 |
| CDS 1 2027 written examination | 11 April 2027 |
| Admit card release | To be announced |
| Written result | To be announced |
UPSC has stated that examination dates may be changed if circumstances require. Candidates should regularly check the UPSC Annual Calendar 2027 and the official UPSC website for updates.
What Is the CDS Examination?
The Combined Defence Services Examination is a national-level competitive examination conducted by UPSC. It provides graduate candidates an opportunity to enter officer-training academies of the Indian Armed Forces. CDS is generally conducted twice each year as CDS I and CDS II . CDS 1 2027 Notification Date Out.
Candidates who clear the written examination are called for the Services Selection Board (SSB) interview. Final selection depends on written-exam performance, SSB marks, medical fitness, availability of vacancies, eligibility, and merit.
CDS 1 2027 Vacancies
The academy-wise vacancies for CDS 1 2027 have not yet been announced. UPSC is expected to provide separate vacancy figures for:
Indian Military Academy, Dehradun
Indian Naval Academy, Ezhimala
Air Force Academy, Hyderabad
Officers’ Training Academy, Chennai-SSC Men
Officers’ Training Academy, Chennai-SSC Women
Candidates should not rely on unofficial vacancy claims. The exact number will be available in the detailed UPSC notification.
CDS 1 2027 Notification Date Out
CDS 1 2027 Eligibility Criteria
The final eligibility rules will be confirmed by UPSC. Based on the established CDS framework, candidates should expect the following broad requirements.CDS 1 2027 Notification Date Out
Nationality
Applicants must satisfy the nationality conditions prescribed in the official notification. Indian citizens are eligible, while certain other categories may apply subject to the certificates and conditions specified by the Government of India. CDS 1 2027 Notification Date Out.
Educational Qualification
| Academy | Expected educational qualification |
| IMA | Bachelor’s degree from a recognized university or equivalent |
| OTA | Bachelor’s degree from a recognized university or equivalent |
| INA | Degree in Engineering from a recognized university or institution |
| AFA | Bachelor’s degree with Physics and Mathematics at Class 12 level, or a Bachelor of Engineering degree |
Final-year students may generally apply when permitted by the notification, but they must submit proof of passing by the prescribed deadline.
Age and Marital Status
For CDS 1 2027 Notification Date Out: Exam Date, age limits and marital-status requirements differ for IMA, INA, AFA, and OTA. The exact date-of-birth range for CDS 1 2027 has not yet been published. Candidates must verify their eligibility against the academy-specific dates in the official notification rather than relying only on a general age range.
Physical and Medical Standards
Candidates must meet the physical and medical standards prescribed for admission to the respective academy. Medical assessment can include height and weight, vision, hearing, dental health, musculoskeletal fitness, and other service-specific requirements.
CDS 1 2027 Application Form: How to Apply
Once the CDS 1 2027 Notification Date Out: Exam Date is announced and the application window opens, candidates should use the official UPSC online application portal linked from the UPSC Apply Online page.
The expected application process is:
- Visit the official UPSC application portal.
- Create or access your candidate account as instructed.
- Select Combined Defence Services Examination (I), 2027.
- Enter personal, educational, and communication details carefully.
- Choose academy preferences and examination centre.
- Upload the required photograph, signature, identity document, or other files in the prescribed format.
- Pay the applicable fee, unless exempt under the official rules.
- Review every entry and submit the form.
- Download the final submitted application for your records.
- CDS 1 2027 Notification Date Out
Do not wait until the last day. Incorrect personal details, a blurred photograph, an invalid document, or a payment issue may create avoidable problems.
CDS 1 2027 Exam Pattern
For admission to IMA, INA, and AFA, the written examination generally consists of three objective papers:
| Subject | Marks | Duration |
| English | 100 | 2 hours |
| General Knowledge | 100 | 2 hours |
| Elementary Mathematics | 100 | 2 hours |
| Total | 300 | 6 hours |
For OTA, candidates generally take two papers:
| Subject | Marks | Duration |
| English | 100 | 2 hours |
| General Knowledge | 100 | 2 hours |
| Total | 200 | 4 hours |
The papers are objective in nature and normally carry negative marking for incorrect answers. Candidates must also meet any sectional and overall qualifying standards fixed by UPSC.
CDS 1 2027 Syllabus
English
For candidates preparing after the CDS 1 2027 Notification Date Out: Exam Date, the English paper evaluates vocabulary, grammar, sentence usage, and comprehension. Important areas include spotting errors, sentence improvement, ordering of words and sentences, fill in the blanks, synonyms and antonyms, idioms and phrases, and reading comprehension.
General Knowledge
For candidates preparing for the CDS 1 2027 Notification Date Out: Exam Date, General Knowledge covers current affairs and major topics from Indian history, geography, polity, economics, general science, defence-related awareness, and events of national and international importance.
Elementary Mathematics
For candidates preparing for the CDS 1 2027 Notification Date Out: Exam Date, the Mathematics paper is broadly based on matriculation-level concepts. Key areas include arithmetic, algebra, trigonometry, geometry, mensuration, and statistics. Mathematics is not part of the OTA written examination.
CDS 1 2027 Selection Process
The selection journey broadly includes:
- UPSC written examination
- SSB interview and personality assessment
- Medical examination
- Final merit list and academy allotment
For candidates preparing after the CDS 1 2027 Notification Date Out: Exam Date, the SSB process examines officer-like qualities through psychological tests, group tasks, personal interview, and conference. Clearing the written examination is only the first stage; candidates should develop communication, awareness, confidence, teamwork, and decision-making alongside academic preparation.
How to Prepare for CDS 1 2027
Begin with the complete syllabus and assess your present level through a diagnostic test. Build a realistic weekly timetable that gives regular time to English, General Knowledge, and Mathematics according to your academy choice.
Solve previous-year CDS papers to understand recurring topics and the standard of questions. Maintain short revision notes, practise timed sectional tests, and analyse every mock test instead of focusing only on the score. For General Knowledge, combine static subjects with consistent current-affairs revision. Accuracy is crucial because wrong answers may attract negative marks.
Why Choose The Lakshya Academy for CDS Preparation?
The Lakshya Academy, Delhi, provides structured guidance for defence aspirants preparing for CDS and other competitive defence examinations. Students receive syllabus-based classroom support, experienced faculty guidance, regular practice, doubt-solving sessions, previous-year-question analysis, mock tests, and focused exam strategies.
The objective is not merely to complete the syllabus but to help aspirants improve speed, accuracy, consistency, and exam temperament. Candidates can also receive guidance aligned with the wider selection journey for becoming an officer in the Indian Armed Forces.
Contact The Lakshya Academy
Location: Delhi
Phone: 7827363838, 8700019041
Website: www.lakshyaacademy.co.in
Conclusion
The announcement of the CDS 1 2027 notification date gives aspirants a clear preparation timeline. With the notification scheduled for 2 December 2026 and the examination for 11 April 2027, this is the right time to strengthen concepts, solve previous papers, and begin regular mock-test practice. Follow only official UPSC updates for final eligibility, vacancies, fees, and application instructions.

