Complete Guide to CDS 2027 expected vacancies 2026

The UPSC is expected to release approximately 400 to 450 vacancies for the CDS 2027 examination, mirroring historical trends observed in previous years. Official vacancy figures will be confirmed by the Union Public Service Commission in the formal notification, scheduled for release on December 2, 2026, for the first cycle.

What is the Exam?

The Combined Defence Services (CDS) examination is a national-level competitive exam conducted biannually by the Union Public Service Commission (UPSC). It serves as the gateway for graduates to join the prestigious Indian Military Academy (IMA), Indian Naval Academy (INA), Air Force Academy (AFA), and Officers’ Training Academy (OTA). We at Exam Bhai recognize this as the premier pathway for aspiring officers to serve in the Indian Armed Forces, combining rigorous academic testing with a comprehensive personality assessment through the Services Selection Board (SSB) interview process.

Key Highlights 2026

• Conducting Body: Union Public Service Commission (UPSC)
• Exam Level: National
• Frequency: Twice a year (CDS I and CDS II)
• Mode of Exam: Offline (Pen and Paper)
• Selection Stages: Written Examination followed by a 5-day SSB Interview and Medical Examination.
• Official Calendar: UPSC has confirmed that the CDS 1 2027 notification will be issued on December 2, 2026, with the exam scheduled for April 11, 2027.

Syllabus 2026

The syllabus is designed to test your mental agility, general awareness, and foundational mathematical skills. Below is the structured breakdown for your reference:

Exam Pattern

The pattern varies depending on the academy. Candidates opting for OTA do not have to appear for the Mathematics paper. You can practice free mock tests for CDS 2027 on Exam Bhai to get familiar with this structure.

Eligibility Criteria

Per the official upsc.gov.in portal, candidates must fulfill strict criteria regarding nationality, age, and education:

• Nationality: Citizen of India, subject of Nepal/Bhutan, or Tibetan refugee (settled before 1962).
• Education: Graduation degree from a recognized university. Engineering degrees are required for the Naval Academy, while AFA requires Physics/Maths at the 10+2 level.
• Marital Status: Generally unmarried for all academies, though specific age/status rules apply for OTA and AFA.

Application Process

The UPSC notification serves as the official document for application guidelines. Candidates must apply only through the official website, upsc.gov.in, during the specified window (December 2026 for CDS 1 2027). Ensure your OTR (One-Time Registration) profile is updated well before the notification date.

Preparation Strategy

Success in the CDS exam is not just about hard work but strategic preparation. We recommend a balanced approach:

1. Foundation: Start with NCERT books for Mathematics and Social Sciences.
2. Practice: Regularly practice free mock tests for CDS 2027 on Exam Bhai to analyze your weak areas.
3. Current Affairs: Maintain a daily habit of reading editorials and defence-related news. You can access curated study materials for CDS 2027 on Exam Bhai to stay ahead of the competition.
4. SSB Focus: Start your personality development early, as the SSB is a crucial component that requires long-term habit building.

Cut-Off Trends

Cut-offs are declared by the UPSC on their official portal, upsc.gov.in, after the final results are announced. Historically, the cut-off for the written exam typically ranges between 110-145 marks for IMA/INA/AFA and 80-110 marks for OTA. Always aim for a buffer score of 15-20 marks above the previous year's trend to ensure safety.

Frequently Asked Questions

Q1: What is the expected number of vacancies for CDS 1 2027? A1: While official numbers will be in the notification, we anticipate approximately 400-450 vacancies, consistent with recent years.

Q2: Is the CDS syllabus for 2027 different from 2026? A2: The UPSC rarely alters the syllabus. It remains consistent with the standard English, GK, and Mathematics structure.

Q3: Can final-year graduation students apply? A3: Yes, candidates in their final year of graduation are eligible to apply, provided they submit proof of passing at the time of commencement of the course.

Q4: Is there a negative marking in the CDS exam? A4: Yes, there is a penalty of 0.33 marks for every incorrect answer in the objective-type papers.

Q5: Are there any age relaxations? A5: No specific age relaxation is provided beyond the standard age limits defined by the UPSC for different academies.

Q6: Where can I find the official notification? A6: The official notification will be published on the UPSC website, upsc.gov.in, on December 2, 2026.