Exam comparison · from official notices

UPSC NDA vs UPSC CDS: salary, eligibility, exam pattern and syllabus

  • UPSC NDA is conducted by UPSC; UPSC CDS is conducted by UPSC.
  • Qualification — UPSC NDA: Army wing of NDA: Class 12 pass of the 10+2 pattern, or equivalent, from a State Education Board or University. UPSC CDS: IMA and OTA: degree of a recognised university or equivalent.
  • Age limit — UPSC NDA: Unmarried male and female candidates born between 1 January 2008 and 1 January 2011 (both dates included) (as on Date-of-birth window printed in the notice (para 3(b))). UPSC CDS: IMA and INA: 19–24, unmarried men born 1 July 2003 – 1 July 2008. AFA: 20–24, born 1 July 2003 – 1 July 2007 (up to 26 for DGCA Commercial Pilot Licence holders: born 1 July 2001 – 1 July 2007). OTA Men: 19–25, unmarried, born 1 July 2002 – 1 July 2008. OTA Women: born 1 July 2002 – 1 July 2008 (as on Date-of-birth windows printed in the notice (para 3(b)); AFA age counted as on 1 July 2027).
  • UPSC NDA has 2 stages in its printed pattern; UPSC CDS has 2.

UPSC NDA vs UPSC CDS: side by side

Each cell is copied from the exam's latest official notice. Always confirm in the notice before applying.

FactUPSC NDAUPSC CDS
Conducting body
  • UPSC
  • upsc.gov.in
  • UPSC
  • upsc.gov.in
Latest notice
  • National Defence Academy and Naval Academy Examination (II), 2026 — Examination Notice No. 10/2026-NDA-II (published 20 May 2026)
  • Combined Defence Services Examination (II), 2026 — Examination Notice No. 11/2026-CDS-II (published 20 May 2026)
Application status
  • Applications closed on 9 June 2026.
  • Applications closed on 9 June 2026.
Posts
  • National Defence Academy — Army wing
  • National Defence Academy — Navy wing
  • National Defence Academy — Air Force wing (Flying, Ground Duties Tech and Non-Tech)
  • Indian Naval Academy — 10+2 Cadet Entry Scheme
  • Indian Military Academy, Dehradun — 163rd (DE) Course
  • Indian Naval Academy, Ezhimala — Executive Branch (General Service) / Hydro
  • Air Force Academy, Hyderabad — (Pre-Flying) 222 F(P) Course
  • Officers' Training Academy, Chennai — 126th SSC (Men) (NT) Course
  • Officers' Training Academy, Chennai — 126th SSC Women (NT) Course
Pay (as printed)
  • ₹56,100 p.m. stipend during training (starting pay in Level 10)

Pay Level 10 →

  • Not printed in the notice data shown here
Age limit
  • Unmarried male and female candidates born between 1 January 2008 and 1 January 2011 (both dates included) (as on Date-of-birth window printed in the notice (para 3(b)))
  • IMA and INA: 19–24, unmarried men born 1 July 2003 – 1 July 2008. AFA: 20–24, born 1 July 2003 – 1 July 2007 (up to 26 for DGCA Commercial Pilot Licence holders: born 1 July 2001 – 1 July 2007). OTA Men: 19–25, unmarried, born 1 July 2002 – 1 July 2008. OTA Women: born 1 July 2002 – 1 July 2008 (as on Date-of-birth windows printed in the notice (para 3(b)); AFA age counted as on 1 July 2027)
Qualification
  • Army wing of NDA: Class 12 pass of the 10+2 pattern, or equivalent, from a State Education Board or University
  • Air Force and Navy wings of NDA, and 10+2 Cadet Entry at the Naval Academy: Class 12 pass with Physics, Chemistry and Mathematics
  • Candidates appearing in Class 12 may apply and must submit proof of passing by 10 June 2027; Class 11 candidates are not eligible
  • IMA and OTA: degree of a recognised university or equivalent
  • INA: degree in Engineering, or B.Sc. with Physics as a core or elective subject, with Physics and Mathematics at 10+2
  • AFA: degree of a recognised university with Physics and Mathematics at 10+2, or Bachelor of Engineering
  • Final-year students may apply; proof of passing is due by 1 July 2027 (IMA, INA), 13 May 2027 (AFA) and 1 October 2027 (OTA)
Selection stages
  • Written examination (2½ hours per paper)
  • SSB Test / Interview (Stage I on the first day; Stage II over 4 days)
  • Written — IMA, INA and AFA (2 hours per paper)
  • Written — OTA (SSC Men and Women) (2 hours per paper)
Negative marking
  • Negative marking: one-third (0.33) of the marks of a question for each wrong answer; no penalty for unanswered questions.
  • Negative marking: one-third (0.33) of the marks of a question for each wrong answer.
  • Same negative marking.
Vacancies
  • 394 (370 male, 24 female): NDA Army 208, Navy 42, Air Force: Flying 92, Ground Duties Tech 18, Ground Duties Non-Tech 10; Naval Academy 10+2 Cadet Entry 24
  • 451 (approximate): IMA 100, INA 26, AFA 32, OTA SSC Men 275, OTA SSC Women 18 — including NCC 'C' vacancies at IMA (13), INA (6) and AFA (3)
Application fee
  • ₹100
  • SC and ST candidates, female candidates, and wards of serving/ex-JCOs, NCOs and Other Ranks (as specified in Note 2 of the notice, studying in Military Schools or Sainik Schools) are exempted. OBC and EWS candidates get no exemption.
  • ₹200
  • All female candidates and SC/ST candidates are exempted from the fee. OBC and EWS candidates get no exemption.
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Frequently asked questions

What is the difference between UPSC NDA and UPSC CDS eligibility?

UPSC NDA: age Unmarried male and female candidates born between 1 January 2008 and 1 January 2011 (both dates included) as on Date-of-birth window printed in the notice (para 3(b)); Army wing of NDA: Class 12 pass of the 10+2 pattern, or equivalent, from a State Education Board or University. Air Force and Navy wings of NDA, and 10+2 Cadet Entry at the Naval Academy: Class 12 pass with Physics, Chemistry and Mathematics. Candidates appearing in Class 12 may apply and must submit proof of passing by 10 June 2027; Class 11 candidates are not eligible. UPSC CDS: age IMA and INA: 19–24, unmarried men born 1 July 2003 – 1 July 2008. AFA: 20–24, born 1 July 2003 – 1 July 2007 (up to 26 for DGCA Commercial Pilot Licence holders: born 1 July 2001 – 1 July 2007). OTA Men: 19–25, unmarried, born 1 July 2002 – 1 July 2008. OTA Women: born 1 July 2002 – 1 July 2008 as on Date-of-birth windows printed in the notice (para 3(b)); AFA age counted as on 1 July 2027; IMA and OTA: degree of a recognised university or equivalent. INA: degree in Engineering, or B.Sc. with Physics as a core or elective subject, with Physics and Mathematics at 10+2. AFA: degree of a recognised university with Physics and Mathematics at 10+2, or Bachelor of Engineering. Final-year students may apply; proof of passing is due by 1 July 2027 (IMA, INA), 13 May 2027 (AFA) and 1 October 2027 (OTA). Both from the latest official notices.

How is the selection process of UPSC NDA different from UPSC CDS?

UPSC NDA: Written examination by UPSC: Mathematics and General Ability Test (objective); Intelligence and Personality Test at a Services Selection Board (two stages, over 4 days for Stage II); Computerised Pilot Selection System (CPSS) for Air Force candidates; Medical examination by a Board of Service Medical Officers. UPSC CDS: Written examination by UPSC (objective): three papers for IMA, INA and AFA; two papers for OTA; Intelligence and Personality Test at a Services Selection Board (two stages; Stage II over 4 days); Computerised Pilot Selection System (CPSS) for Air Force Academy candidates; Medical examination.

How many vacancies are there in UPSC NDA and UPSC CDS?

UPSC NDA: 394 (370 male, 24 female): NDA Army 208, Navy 42, Air Force: Flying 92, Ground Duties Tech 18, Ground Duties Non-Tech 10; Naval Academy 10+2 Cadet Entry 24. UPSC CDS: 451 (approximate): IMA 100, INA 26, AFA 32, OTA SSC Men 275, OTA SSC Women 18 — including NCC 'C' vacancies at IMA (13), INA (6) and AFA (3). As printed in each latest notice.

What is the application fee for UPSC NDA and UPSC CDS?

UPSC NDA: ₹100. UPSC CDS: ₹200. Fee exemptions are listed in each notice.

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