CDS I Notification 2026: Vacancies, Eligibility Criteria,...

✍️ Written & Curated by: CurrentAffairs360 Editorial Board
In Academic Collaboration with Khalsa Inter College, Lucknow
✓ Fact-Checked✓ Exam-Focused
📅 13 November 2026⏱️ 4 min read👁️ 0 views❤️ 0 likes
#2026#Analysis#CDS I Notification 2#Defence#Exam-Update
CDS I Notification 2026: Vacancies, Eligibility Criteria,...
The Union Public Service Commission (UPSC) released the detailed CDS I 2026 notification (04/2026.CDS-I) on 10 December 2025. This exam is f

CDS I Notification 2026: Vacancies, Eligibility Criteria, Exam Pattern, Selection Process

The Union Public Service Commission (UPSC) released the detailed CDS I 2026 notification (04/2026.CDS-I) on 10 December 2025. This exam is for admission to IMA, INA, AFA, and OTA courses starting in Jan/Apr 2027, including the SSC Women (Non-Technical) Course. The official PDF contains full details on vacancies, eligibility, application procedure, and selection. Read it carefully before applying.

👉 Click Here To Check The Official Notification

UPSC CDS I 2026 Overview

Details Information
Organization Union Public Service Commission (UPSC)
Exam Name CDS I 2026
Notification No. 04/2026.CDS-I
Courses IMA, INA, AFA, OTA
Exam Date 12 April 2026
Mode of Application Online
Course Start Jan 2027 / Apr 2027

Important Dates

Event Date
Notification Release 10 December 2025
Application Start 10 December 2025
Application Last Date 30 December 2025
Exam Date 12 April 2026
Result (Written) May 2026 (expected)

Application Fee

Category Fee
General / OBC ₹200/-
SC / ST Nil
Female Candidates Nil

Vacancy Details & Qualification

Course Vacancies Qualification
Indian Military Academy (IMA), Dehradun 100 A graduation in any discipline
Indian Naval Academy (INA), Ezhimala 26 Engineering Degree
Air Force Academy (AFA), Hyderabad 32 Graduation with Physics & Maths at 12th OR B.E./B.Tech
Officers’ Training Academy (OTA), Chennai (Men) 275 A graduation in any discipline
Officers’ Training Academy (OTA), Chennai (Women) 18 A graduation in any discipline

Age Limit

Courses have different age requirements:

  • IMA: 19–24 years (Born between 2 Jan 2003 – 1 Jan 2008)
  • INA: 19–24 years (Born between 2 Jan 2003 – 1 Jan 2008)
  • AFA: 20–24 years (Born between 2 Jan 2002 – 1 Jan 2008)
  • OTA (Men & Women): 19–25 years (Born between 2 Jan 2001 – 1 Jan 2006)

Selection Process

The selection process comprises:

  1. Written Examination by UPSC
  2. SSB Interview by Armed Forces Selection Boards
  3. Document Verification & Medical Examination
  4. Final Merit List based on marks in the written exam + SSB interview

CDS 1 Exam 2026 Exam Pattern

The candidates have to clear the CDS Written Examination to get selected for the interview round. Check the exam pattern for each position below.

• There will be Multiple-Choice Questions in each paper

• The question paper for General Knowledge and Elementary Mathematics will be set in Hindi as well as in English.

• There will be a penalty of 1/3 marks for a wrong answer

• Duration of each exam is separate, i.e. 2 hours.

For the Indian Military Academy, the Indian Naval Academy and the Air Force Academy
SNo Subject Maximum Marks Duration
1 English 120 2 hours
2 General Knowledge 120 2 hours
3 Elementary Mathematics 100 2 hours

-

For Officers’ Training Academy
SNo Subject Maximum Marks Duration
1 English 100 2 hours
2 General Knowledge 100 2 hours

Note: The maximum marks allotted to the written examination and to the interviews will be equal for each course, i.e. the maximum marks allotted to the written examination and to the interviews will be 300, 300, 300 and 200 each for admission to the Indian Military Academy, Indian Naval Academy, Air Force Academy and Officers’ Training Academy, respectively.

CDS 1 Exam 2026: Syllabus

The CDS syllabus outlines the subjects and topics that candidates must study for the written exam. While the mathematics section is based on school-level concepts, the English and General Knowledge sections follow graduation-level standards. A clear understanding of the syllabus helps in focused and effective preparation. The subject-wise syllabus is given in the table below:

Section Topics Included
English
  • Ordering of words in a sentence
  • Reading comprehension passages
  • Synonyms and antonyms
  • Idioms and common phrases
  • Spotting grammatical errors
  • Fill-in-the-blanks
  • Sentence arrangement
  • Sentence improvement and correction
  • Choosing the correct word
  • Ordering of jumbled sentences
General Knowledge
  • History and culture
  • Geography
  • Indian Polity
  • Economics
  • Physics
  • Chemistry
  • Biology
  • Environmental studies
  • Sports
  • Books and authors
  • Defence-related awards and events
  • Sociology
  • Current affairs
Mathematics
Algebra
  • Basic algebraic operations and simple factors
  • H.C.F. and L.C.M.
  • Polynomials and the remainder theorem
  • Quadratic equations and their roots
  • Solving linear equations in two variables (graphical and analytical)
  • Linear inequalities in two variables
  • Real roots and relations between coefficients and roots
  • Problems involving simultaneous equations and inequalities
  • Set notation and set language
  • Rational expressions and identities
  • Laws of indices
Arithmetic
  • Number system: natural, whole, integer, rational, and real numbers
  • Fundamental operations: addition, subtraction, multiplication, division
  • Square roots and decimal fractions
  • Time and work
  • Time, speed, and distance
  • Percentage calculations
  • Profit and loss
  • Interest (simple and compound)
  • Ratio, proportion, and variation
  • Unitary method
  • Prime and composite numbers
  • Divisibility tests (2, 3, 4, 5, 9, 11)
  • Multiples and factors, factorisation theorem
  • Euclidean algorithm
  • H.C.F. and L.C.M.
  • Logarithms (base 10), laws of logarithms, and use of log tables
Trigonometry
  • Sine, cosine, and tangent for angles between 0° and 90°
  • Standard trigonometric values (0°, 30°, 45°, 60°, 90°)
  • Basic trigonometric identities
  • Heights and distances (simple problems)
  • Reading and using trigonometric tables
Geometry
  • Types of lines and angles
  • Plane figures and basic geometric properties
  • Properties of parallel lines
  • Triangles: sides, angles, congruence, and similarity
  • Concurrence of medians and altitudes
  • Parallelogram, rectangle, and square: sides, angles, and diagonals
  • Circle properties, including tangents and normals
  • Locus (basic concepts)
Mensuration
  • Area of basic shapes: square, rectangle, triangle, parallelogram, circle
  • Composite figures and field book problems
  • Surface area and volume of cuboids
  • Cone and cylinder: lateral surface area, surface area, and volume
  • Sphere: surface area and volume
Statistics
  • Collection and classification of data
  • Frequency tables and tabulation
  • Graphical representation: histograms, bar diagrams, polygons, pie charts
  • Measures of central tendency (mean, median, mode)

CDS Salary 2026

Candidates appointed for various service posts under the Combined Defence Services (CDS) examination will be offered an attractive monthly salary as fixed by the author. Apart from the salary, candidates will be provided with various allowances like Dearness Allowance, Kit maintenance allowance, Uniform allowance, Transport Allowance, etc. The pay scale of Army Officers and equivalent ranks in the Air Force and Navy is as follows. 

Rank Level  (Pay in Rs.)Lieutenant 
Lieutenant Level 10  Rs. 56,100 -1,77,500
Captain Level 10 B Rs. 61,300- 1,93,900
Major  Level 11 Rs. 69,400 – 2,07,200
Lieutenant Colonel Level 12A  Rs. 1,21,200 – 2,12,400
Colonel Level 13 Rs. 1,30,600-2, 15,900
Brigadier Level 13A  Rs. 1,39,600-2,17,600
Major General Level 14 Rs. 1,44,200-2,18,200
Lieutenant General HAG Scale Level 15  Rs. 1, 82, 200-2,24,100
HAG+Scale Level 16  Rs. 2,05,400 – 2,24,400
VCOAS/Army Cdr/ Lieutenant General (NFSG) Level 17 Rs. 2,25,000/-(fixed)
COAS Level 18 Rs. 2,50,000/-(fixed)

How to Apply (Step-by-Step)

  1. Visit upsconline.nic.in.

  2. Complete OTR (One Time Registration) if you’re a new user.

  3. Log in with your URN and open the CDS I application form.

  4. Fill in personal and educational details carefully.

  5. Upload scanned photo, signature, and other required documents in the prescribed format.

  6. Pay the application fee (if applicable).

  7. Review the form, submit, and download/print the confirmation for records.

Defence Exam Study Material
AFCAT Mock Test Previous Year Question Paper Practice Set MCQ Test Chapter Wise Test
CDS  Mock Test Previous Year Question Paper Sample Paper MCQ Test Chapter Wise Test
NDA Mock Test Previous Year Question Paper Sample Paper MCQ Test Chapter Wise Test
DRDO  Mock Test   Practice Set MCQ Test Chapter Wise Test
👨‍🏫

Editorial & Verification Standards

CurrentAffairs360 Editorial Board & Academic Mentors

This article was researched, written, and verified by the CurrentAffairs360 editorial team in collaboration with educators at Khalsa Inter College, Naka Hindola, Lucknow. All insights are cross-verified against official government sources (PIB, RBI, The Hindu, Indian Express) to ensure rigorous exam authenticity.

Meet our editorial and teaching team →
✏️ Now Practice MCQs!
Test your understanding with our quiz.
🚀 Attempt Today's Paper
🔗 Share: