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  5. UPSC - 451 Combined Defence Services (CDS-I) 2026 - Answer Key

UPSC - 451 Combined Defence Services (CDS-I) 2026 - Answer Key

🔑 Answer Key
Posted: 25 Apr 26
Updated: 2026-04-25 13:37:45…

Union Public Service Commission has published the answer key for Combined Defence Services. Download official answer key PDF, check your responses, and calculate expected scores.

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UPSC logo

Union Public Service Commission (UPSC)

Combined Defence Services 2026

4/2026 CDS-I

📅 Important Dates₹ Fee
  • ●Start Date : 10/12/2025 00:00
  • ●Last Date : 30/12/2025 18:00
  • ●Fee Last Date : 30/12/2025 23:59
  • ●Notification Date : 10 Dec. 2025
  • ●Written Exam Date : 12 Apr. 2026
  • ●Admit Card : 02 Apr. 2026
  • ●Answer Key : 16 Apr 2026
  • ●Written Result (Approx) : May 2026
  • ●SSB Interview – IMA/INA/AFA Qualifiers : August – September 2026
  • ●SSB Interview – SSC Course Only Qualifiers : October – December 2026
  • ●NCC Certificate Submission Deadline : 13 Nov. 2026
  • General/OBC/EWS : ₹200
  • SC/ST : ₹0
  • Female : ₹0
  • Payment Mode : Online
  • Application Mode : Online
👥 Total Posts🎂 Age
451
  • IMA / INA: Unmarried male, born not earlier than 02 Jan 2003 and not later than 01 Jan 2008
  • AFA: 20–24 years as on 01 Jan 2027; upper age relaxed to 26 years for valid DGCA (India) CPL holders
  • OTA SSC Men: Unmarried male, born not earlier than 02 Jan 2002 and not later than 01 Jan 2008
  • OTA SSC Women: Unmarried women / issueless widows / issueless divorcees (with divorce documents), born not earlier than 02 Jan 2002 and not later than 01 Jan 2008
  • Age Calculator →
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🎓 Qualification Details
Sr.Post NamePostsAgeQualification
1IMA Dehradun (162nd DE Course)100Unmarried male, born 02 Jan 2003 – 01 Jan 2008
  • Degree (Any Recognised University)
2Indian Naval Academy Ezhimala26Unmarried male, born 02 Jan 2003 – 01 Jan 2008
  • Engineering Degree (Recognised University)
3Air Force Academy Hyderabad3220–24 years as on 01 Jan 2027; up to 26 for DGCA CPL holders
  • Degree (Physics & Maths at 10+2 level)
  • B.E. / B.Tech (Any Branch)
4OTA Chennai – SSC Men (125th NT Course)275Unmarried male, born 02 Jan 2002 – 01 Jan 2008
  • Degree (Any Recognised University)
5OTA Chennai – SSC Women (125th NT Course)18Unmarried/issueless widow/divorcee, born 02 Jan 2002 – 01 Jan 2008
  • Degree (Any Recognised University)
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₹ Pay Scale & Salary
Sr.Post NameLevelPay ScaleGross
1LieutenantLevel 10₹56100-177500—
2CaptainLevel 10B₹61300-193900—
3MajorLevel 11₹69400-207200—
4Lieutenant ColonelLevel 12A₹121200-212400—
5ColonelLevel 13₹130600-215900—
6BrigadierLevel 13A₹139600-217600—
7Officer Cadet Stipend (Training)Level 10₹56100₹56100
✅ Selection Process
Sr.StageDescription
1
Written Examination
• Objective type (OMR-based), black ball pen only • Negative marking: 1/3 marks deducted per wrong answer • IMA/INA/AFA: English, GK, Elementary Maths (300 marks each) • OTA: English and GK only (200 marks total)
2
SSB Interview
• Stage I: OIR Test + Picture Perception & Description Test • Stage II: Interview, GTO Tasks, Psychology Tests, Conference • Conducted over 4 days at Service Selection Board
3
Medical Examination
• Special Medical Board at Armed Forces hospital post SSB • Appeal Medical Board available if declared unfit • Final selection in order of merit subject to medical fitness
📚 Exam Pattern / Syllabus
Sr.SubjectMarksDuration
1English (Code 11)1002 Hours
2General Knowledge (Code 12)1002 Hours
3Elementary Mathematics (Code 13) – IMA/INA/AFA only1002 Hours
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🔗 Important Links
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Download Admit Card
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Download Exam Schedule
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Apply Online
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Download Notification667 KB
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Save Your Filled FormSave FormNew
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Frequently Asked Questions

How to download Combined Defence Services answer key?
The official answer key link is available on Sarkarify Important Links Section and https://upsc.gov.in/. You can match with your responses to calculate your expected score.
Can I raise objections against the answer key?
Yes, you can raise objections within a specified time period. Check the official notification in Important Links section above for the objection process and fee details.
Where can I get official notification for Combined Defence Services?
The official notification is available on Union Public Service Commission website: https://upsc.gov.in/. You can also check updates on Sarkarify.com for the latest information.

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