CDS Exam Study Notes 2023

CDS Exam Study Notes 2023

Union Public Service Commission (UPSC) has issued the notification of Combined Defence Services CDS I Exam 2023, all the candidates who are interested in this recruitment exam and fulfill the eligibility can apply online from 21 December 2022 to 10 January 2023. 

Remember these dates

  • Application Begin : 21/12/2022

  • Last Date of Apply Online : 10/01/2023 Till 06:00 PM

  • Fee Payment Last Date : 10/01/2023

  • Modify / Edit Form : 18-24 January 2023

  • Exam Date : 16/04/2023


Revised materials : Combo Pack : 5000/- Buy Now

  •   CDS (I) Exam study notes available @ 2500/- Shop Now
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Combined Defence Service exam is conducted by Union Public Service Commission twice every year for recruitment to office cadre of the Army, Navy and Air force. Candidates qualifying the written test are interviewed by the Service Selection Board and if finally selected, depending upon the choice given by the candidates and their merit list ranking, are sent to one of the following institutes for orientation training: 

a) Indian Military Academy , Dehradun

(b) Indian Naval Academy, Ezhimala

(c) Air Force Academy,  Hyderabad

(d) Officers Training Academy , Chennai

(e) Officers  Training  Academy, Chennai 23rd SSC Women (Non-Technical)

Women candidates are eligible for OTA (Officers  Training  Academy, Chennai) only

Those joining the first three institutes get permanent commission. Cadets passing out of Officers Training Academy get short service commission. Applicants are required to mention their preferences while filling up the application forms

Eligibility (a) Nationality : A candidate must either be  :   1. a citizen of India, or   2. a subject of Bhutan, or   3. a subject of Nepal, or   4. a Tibetan refugee who came over to India before the 1st January, 1962 with the intention of permanently settling in India, or   5. a person of Indian origin who has migrated from Pakistan, Burma, Sri Lanka and East African Countries of Kenya, Uganda, the United Republic of Tanzania, Zambia, Malawi, Zaire and Ethiopia and Vietnam with the intention of permanently settling in India.Provided that a candidate belonging to categories (ii), (iii), (iv) and (v) above shall be a person in whose favour a certificate of eligibility has been issued by the Government of India.Certificate of eligibility will not, however, be necessary in the case of candidates who are Gorkha subjects of Nepal.

Educational Qualifications For CDS : 

For IMA /OTA(Officers Training Academy) : A degree from a recognized University or equivalent.
For Indian Naval Academy:  Degree  in  Engineering from  a  recognised University/Institution
For Air Force Academy: Degree of a recognised University (with Physics and Mathematics at 10 +2 level ) or Bachelor of Engineering 

Candidates seeking to apply for IMA, OTA courses should have graduation in any stream while for INA graduation in engineering is required. For AFA, candidates should be a graduate and studied physics and maths in 12th standard or possesses B.E/B.Tech.

Candidates can check more details such as vacancy, age limit, application procedure based on previous year notification by scrolling down:

CDS Selection Procedure

Union Public Service Commission (UPSC) is going to conducts Combined Defence Services (CDS) Examination for recruitment of various vacancies under Indian Military Academy, Indian Naval Academy, Air Force Academy and Officers Training Academy. The following are the selection Procedure details to apply for the Combined Defence Services Exam.

The selection process will be done on the basis of:

Written Examination – Candidates who successfully fill the application will be called for written exam.Intelligence and Personality Test - Candidates are shortlisted on the basis of their performance in the written examination will called for the intelligence  and personality test  at  the  Service  Selection Board.

CDS Exam  Selection Procedure consists of three stages.

1. Written Exam
2. Interview/ Intelligence Test/ Personality Test
3. Document Verification
4. Medical Examination

1. Written Exam: 

i. Written Exam consists of Objective Type questions and time duration 2 hrs and maximum marks is 100 for each subject.
ii. For the candidates who are appearing for Indian Military Academy, Naval Academy, Air force Academy written test comprising of English, General Knowledge and Elementary mathematics subjects and for candidates who are appearing for officers training academy the written test comprising of English and General Knowledge.
iii. Candidates who are declared successful in the written exam will be detailed for intelligence and personality test at the Service Selection Board based on their preference, by the respective service HQ.

2. Interview/ Personality Test: The candidates who are selected in written test are called for interview. The SSB procedure consists of two stage selection process-Stage I and Stage II. Only those candidates who clear the stage I are permitted to appear for Stage II.
a. Stage I comprises of Officers Intelligence Rating (OIR) tests are Picture Perception Description Test (PP&DT). The candidates will be shortlisted based on combination of performance in OIR Test and PP&DT.
b. Stage II comprises of Interview, Group Testing Officers Tasks, Psychology Tests and the conference. These testes are conducted over 4 days .
The personality of candidate is assessed by three different assessors viz. the interviewing Officer (IO), Group Testing Officer (GTO) and the Psychologist. There are no separate weightage for each test. The marks are allotted by assessors only after taking into consideration the performance of the candidate holistically in all the test.
3. Document Verification: Document Verification will be conducted only after the candidate has qualified for Interview/Personality Test.

4. Medical Examination: A Candidate recommended by the Services Selection Board will undergo a medical examination by a Board of Service Medical Officers. Women candidates will undergo Medical Examination by a Medical Board comprising male/ female doctors/ specialists/ Gynaecologist. There will be a Lady Medical Officer as member of Board. Only those candidates will be admitted to the Academy who are declared fit by the Medical Board.

CDS Exam Pattern Details

Union Public Service Commission (UPSC) is going to conducts Combined Defence Services (CDS) Examination for recruitment of various vacancies under Indian Military Academy, Indian Naval Academy, Air Force Academy and Officers Training Academy. The exam pattern of UPSC CDS details given below…

1. Written Exam:
i. Written Exam consists of Objective Type questions and time duration 02 hrs and maximum marks is 100 for each subject.
ii. For the candidates who are appearing for Indian Military Academy, Naval Academy, Air force Academy written test comprising of English, General Knowledge and Elementary mathematics subjects and for candidates who are appearing for officers training academy the written test comprising of English and General Knowledge.
iii. Candidates who are declared successful in the written exam will be detailed for intelligence and personality test at the Service Selection Board based on their preference, by the respective service HQ.

(A) For Admission to Indian Military Academy, Indian Naval Academy and Air Force Academy:

Subject Duration Maximum Marks
English 2 Hours 100
General Knowledge 2 Hours 100
Elementary Mathematics 2 Hours 100

(B) For Admission to Officers’ Training Academy:

Subject Duration Maximum Marks
English 2 Hours 100
General Knowledge 2 Hours 100

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.

The papers in all the subjects will consists of objective type questions only. The question papers of General Knowledge and Elementary Mathematics will be set bilingually in Hindi as well as English.

In the question papers, wherever necessary, questions involving the metric system of Weighs and Measures only will be set.

2. Intelligence & Personality Test: The candidates who are selected in written test are called for interview. The SSB procedure consists of two stage selection process-Stage I and Stage II. Only those candidates who clear the stage I are permitted to appear for Stage II.
a. Stage I comprises of Officers Intelligence Rating (OIR) tests are Picture Perception Description Test (PP&DT). The candidates will be shortlisted based on combination of performance in OIR Test and PP&DT.
b. Stage II comprises of Interview, Group Testing Officers Tasks, Psychology Tests and the conference. These testes are conducted over 4 days .
The personality of candidate is assessed by three different assessors viz. the interviewing Officer (IO), Group Testing Officer (GTO) and the Psychologist. There are no separate weightage for each test. The marks are allotted by assessors only after taking into consideration the performance of the candidate holistically in all the test.

CDS Syllabus Details

Union Public Service Commission (UPSC) is going to conducts Combined Defence Services (CDS) Examination for recruitment of various vacancies under Indian Military Academy, Indian Naval Academy, Air Force Academy and Officers Training Academy. The CDS syllabus details is given below.

PAPER – 1: ENGLISH:
The question paper will be designed to test the candidates’ understanding of English and workmanlike use of words.

PAPER – 2: GENERAL KNOWLEDGE:
General Knowledge including knowledge of current events and of such matters of everyday observation and experience in their scientific aspects as may be expected of an educated person who has not made a special study of any scientific subject. The Paper will also include questions on History of India and Geography of a nature which Candidate should be able to answer without special study.

PAPER – 3: ELEMENTARY MATHEMATICS: 
Arithmetic:Number System-Natural numbers, Integers, Rational and Real numbers. Fundamental Operations addition, subtraction, multiplication, division, Square roots, Decimal, fractions. Unitary method, time and distance, time and work, percentages, applications to simple and compound interest, profit and loss, ratio and proportion, variation.
Elementary Number Theory- Division algorithm. Prime and composite numbers. Tests of divisibility by 2, 3,4,5,9 and 11. Multiples and factors. Factorization Theorem. H.C.F. and L.C.M. Euclidean algorithm, Logarithms to base 10, laws of logarithms, use of logarithmic tables.

ALGEBRA
Basic Operations, simple factors, Remainder Theorem, H.C.F., L.C.M. Theory of polynomials, Solutions of quadratic equations, relation between its roots and coefficients (Only real roots to be considered). Simultaneous linear equations in two unknowns-analytical and graphical solutions. Simultaneous linear in equations in two variables and their solutions. Practical problems leading to two simultaneous linear equations or in equations in two Variables or quadratic equations in one variable & their solutions. Set language and set notation, rational expressions and conditional identities, Laws of indices.

TRIGONOMETRY
Sine x, cosine x, Tangent x when 0 ≤x ≤90 Values of sin x, cos x and tan x, for x = 0, 30, 45, 60 and 90
Simple trigonometric identities.
Use of trigonometric tables.
Simple cases of heights and distances.

GEOMETRY
Lines and angles, Plane and plane figures, Theorems on (i) Properties of angles at a Point, (ii) Parallel lines, (iii) Sides and angles of a triangle, (iv) Congruency of triangles, (v) Similar triangles, (vi) Concurrence of medians and altitudes, (vii) Properties of angles, sides and diagonals of a parallelogram, rectangle and square (viii) Circles and its properties including tangents and normal, (ix) Loci.

MENSURATION
Areas of squares, rectangles, parallelograms, triangle and circle. Areas of figures which Can be split up into these figures (Field Book), Surface area and volume of cuboids, lateral surface and volume of right circular cones and cylinders, surface area and Volume of spheres.

STATISTICS
Collection and tabulation of statistical data, Graphical representation, frequency Polygons, histograms, bar charts, pie charts etc. Measures of central tendency.



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यदि आप व्यापक पाठ्यक्रम आधारित सम्पूर्ण अध्ययन सामाग्री चाहते हैं, तो डेवलप इंडिया ग्रुप एक ही स्थान पर आपकी आवश्यकताओं को पूरा करेगा। हम आपको प्रतियोगी परीक्षा में सफलता के लिए रणनीतिक तैयारी हेतु मार्गदर्शन भी प्रदान करेंगे। हम पिछले पांच वर्षों के प्रश्नपत्रों के पैटर्न का विश्लेषण करके पूरी अध्ययन सामाग्री को तैयार करते हैं। ताकि अध्ययन सामाग्री के निर्माण में हम सभी महत्त्वपूर्ण मुद्दों को शामिल कर सकें। पिछले कुछ साल की सफलता के विश्लेषण करने के बाद, हम यह कह सकते हैं कि डेवलप इंडिया ग्रुप एक शीर्ष स्तरीय संस्थान है, जहां 8590 प्रतिशत सवाल हमारी अध्ययन सामाग्री से पूछे जा रहे हैं। यह हमारे लिए बड़ी सफलता है और आप डेवलप इंडिया ग्रुप की व्यापक अध्ययन सामाग्री का अध्ययन कर के अन्य प्रतियोगियों पर बढ़त हासिल सकते हैं।

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    (डेवेलप इंडिया ग्रुप (DIG) भारत की सबसे बड़ी अध्ययन सामग्री प्रदाता वेबसाइट है।)
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    (डेवेलप इंडिया ग्रुप (DIG) अध्ययन सामग्री पूर्णतया संशोधित पाठ्यक्रम के अनुसार तैयार की गई है।)
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    (इन अध्ययन सामग्रियों को तैयार करने का उद्देश्य केवल उन छात्रों कोअध्ययन सामग्री प्रदान करना है, जो महानगरों में कोचिंग क्लासेस में भाग लेने में असमर्थ हैं।)
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