Combined Defence Services Examination 2018

The candidates applying for the examination should ensure that they fulfil all the eligibility conditions for admission to the Examination. Their admission at all the stages of the examination will be purely provisional subject to satisfying the prescribed eligibility conditions. Mere issue of Admission Certificate to the candidate will not imply that his candidature has been finally cleared by the Commission.

Union Public Service Commission ( UPSC ) has invited applications for recruitment of 414 vacancies by conducting Combined Defence Services Examination (II) -2018. A Combined defence Service Examination will ne conducted by the Union Public service commission on for admission to the under mentioned courses

CDS 2016 Entrance Exam CD

CDS 2018 Number of Vacancy

Name of the CourseApproximate No. of Vacancies
Indian Military Academy, Dehradun - 146th ( DE ) Course commencing in January, 2019 [ including 13 vacancies reserved for NCC `C’ Certificate ( Army Wing ) holders ] 100
Indian Naval Academy, Ezhimala—Course commencing in January, 2019 Executive ( General Service ) [ including 06 vacancies reserved for NCC ‘C’ Certificate holders ( Naval Wing ) ]. 45
Air Force Academy, Hyderabad—( Pre-Flying ) Training Course commencing in February, 2019 i.e. No. 205 F(P) Course.32
Officers’ Training Academy, Chennai ( Madras )—109th SSC ( Men ) Course ( NT ) commencing in April, 2019. ( including 50 vacancies for NCC ‘C’ certificate holders for NCC Spl. Entry )225
Officers Training Academy, Chennai—23rd SSC Women (Non-Technical) Course
commencing in April, 2019


  • The date of holding the examination as mentioned above is liable to be changed at the discretion of the Commission.
  • The number of vacancies given above is tentative and may be changed at any stage by Services H. Q.

CDS Eligibility Criteria 2018

Educational Qualifications

  • For I.M.A. and Officers’ Training Academy— Degree of a recognised 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.

Graduates with first choice as Army / Navy / Air Force are to submit proof of graduation provisional certificates on the date of commencement of the SSB Interview at the SSB.

Condition of Eligible

Nationality : A candidate must either be:

  • a Citizen of India, or
  • a subject of Bhutan, or
  • a subject of Nepal, or
  • a Tibetan refugee who came over to India before the 1st January, 1962 with the intention of permanently settling in India, or
  • 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 or 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, however, not be necessary in the case of candidates who are Gorkha subjects of Nepal.

A candidate in whose case a certificate of eligibility is necessary, may be admitted to the examination provisionally subject to the necessary certificate being given to him/her by the Govt. before declaration of result by UPSC.

Age Limit

Age Limits, Sex and Marital Status

For IMA—Unmarried male candidates born not earlier than 2nd January, 1995 and not later than 1st January, 2000 only are eligible.

For Indian Naval Academy—Unmarried male candidates born not earlier than 2nd January, 1995 and not later than 1st January, 2000 only are eligible.

For Air Force Academy— 20 to 24 years as on 1st January, 2019 i.e. born not earlier than 2nd January, 1995 and not later than 1st January, 1999 ( Upper age limit for candidates holding valid and current Commercial Pilot Licence issued by DGCA ( India ) is relaxable upto 26 yrs. i.e. born not earlier than 2nd January, 1993 and not later than 1st January, 1999 ) only are eligible

Note : Candidate below 25 years of age must be unmarried. Marriage is not permitted during training. Married candidates above 25 years of age are eligible to apply but during training period they will neither be provided married accommodation nor can they live with family out of the premises

For Officers’ Training Academy—( SSC Course for men ) Male candidates ( married or unmarried ) born not earlier than 2nd January, 1994 and not later than 1st January, 2000 only are eligible.

NOTE : Male divorcee / widower candidates cannot be treated as unmarried male for the purpose of their admission in IMA / INA / AFA courses and accordingly they are not eligible for these courses

CDS Exam Pattern 2018

1. The Competitive examination comprises:

  • Written examination as shown in para 2 below.
  • Interview for intelligence and personality test ( vide Part ‘B’ of this Appendix ) of such candidates as may be called for interview at one of the Services Selection Centres.

2. The subjects of the written examination, the time allowed and the maximum marks allotted to each subject will be as follows:

For Admission to Indian Military Academy, Indian Naval Academy and Air Force Academy

SubjectDurationMaximum Marks
English2 Hours100
General Knowledge2 Hours100
Elementary Mathematics2 Hours100

For Admission to Officers’ Training Academy

SubjectDurationMaximum Marks
English2 Hours100
General Knowledge2 Hours100

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 consist of objective type questions only. The question papers ( Test Booklets ) 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 Weights and Measures only will be set. Candidates must write the papers in their own hand. In no circumstances will they be allowed the help of a scribe to write answers for them.

The Commission have discretion to fix qualifying marks in any or all the subjects of the examination. The candidates are not permitted to use calculator for answering objective type papers ( Test Booklets ). They should not therefore, bring the same inside the Examination Hall.

penalty for wrong Answer

Candidates should note that there will be penalty ( Negative Marking ) for wrong answers marked by a candidate in the Objective Type Question Papers.

For both writing and marking answers in the OMR sheet ( Answer Sheet ) candidates must use black ball pen only Pens with any other colour are prohibited. Do not use Pencil or Ink pen. Candidates should note that any omission / mistake / discrepancy in encoding / filling of details in the OMR answer sheet especially with regard to Roll Number and Test Booklet Series Code will render the answer sheet liable for rejection. Candidates are further advised to read carefully the “Special Instructions” contained in Appendix-III of the Notice.

UPSC CDS syllabus 2018


The standard of the papers in Elementary Mathematics will be of Matriculation level. The standard of papers in other subjects will approximately be such as may be expected of a graduate of an Indian University.


English ( Code No. 01 )

  • The question paper will be designed to test the candidates’ understanding of English and workmanlike use of words.

General Knowledge ( Code No. 02 )

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.

Elementary Mathematics ( Code No. 03 )


Number System—Natural numbers, Integers, Rational and Real numbers. Fundamental operations, addition, substraction, 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. Factorisation Theorem. H.C.F. and L.C.M. Euclidean algorithm. Logarithms to base 10, laws of logarithms, use of logarithmic tables.


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 inequations in two variables and their solutions. Practical problems leading to two simultaneous linear equations or inequations in two variables or quadratic equations in one variable & their solutions. Set language and set notation, Rational expressions and conditional identities, Laws of indices.


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


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 normals, (ix) Loci.


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.


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

Intelligence and Persinality Test

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. The details are

(a) Stage I comprises of Officer 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 Officer Tasks, Psychology Tests and the Conference. These tests are conducted over 4 days. The details of these tests are given on the website

The personality of a 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 mks are allotted by assessors only after taking into consideration the performance of the candidate holistically in all the test. In addition, marks for Conference are also allotted based on the initial performance of the Candidate in the three techniques and decision of the Board. All these have equal weightage.

The various tests of IO, GTO and Psych are designed to bring out the presence / absence of Officer Like Qualities and their trainability in a candidate. Accordingly candidates are Recommended or Not Recommended at the SSB.

UPSC CDS Exam Centres 2018

The Examination will be held at the following Centres

ChandigarhPanaji (Goa)
CuttackPort Blair

Applicants should note that there will be a ceilling on the number of candidates allotted to each of the centres except Chennai, Delhi, Dispur, Kolkatta and Nagpur. Allotment of Centres will be on the first-apply-first-allot basis and once the capacity of a particular centre is attained, the same will be frozen. Applicants, who cannot get a centre of their choice due to ceiling, will be required to choose a Centre from the remaining ones. Applicants are, thus, advised that they may apply early so that they could get a Centre of their choice.

NB : “Notwithstanding the aforesaid provision, Commission reserve the right to change the Centres at their discretion if the situation demands.”

CDS Application form 2018

Candidates are required to apply Online using the link Detailed instructions for filling up Online Applications are available on the above mentioned website.

The applicants are advised to submit only single application; however if due to any unavoidable situation, if he/she submits another / multiple applications, then he/she must ensure that application with the higher RID ( Registration ID ) is complete in all respects like applicants’ details, examination centre, photograph, signature, fee etc. The applicants who are submitting multiple applications should note that only the applications with higher RID ( Registration ID ) shall be entertained by the Commission and fee paid against one RID shall not be adjusted against any other RID.

All candidates whether already in Government Service including candidates serving in the Armed Forces, Government owned industrial undertakings or other similar organizations or in private employment should submit their applications online direct to the Commission.

N.B. I : Persons already in Government Service, whether in permanent or temporary capacity or as work charged employees other than casual or daily rated employees or those serving under the Public Enterprises are, however, required to inform their Head of Office / Department in writing that they have applied for the Examination.

N.B. II : Candidates serving in the Armed Forces are required to inform their Commanding Officer in writing that they have applied for this examination. They are also required to submit NOC in this regard at the time of SSB interview.

Candidates should note that in case a communication is received from their employer by the Commission withholding permission to the candidates applying for / appearing at the examination, their applications will be liable to be rejected / candidatures will be liable to be cancelled.

Candidates are advised to keep ready the following documents in original alongwith their self attested copies soon after the declaration of the result of the written part of the examination which is likely to be declared in the month of May, 2018 for submission to the Army HQ / Naval HQ / Air HQ as the case may be :

(1) Matric / Higher Secondary School Certificate or its equivalent showing date of birth (2) Degree / Provisional Degree Certificate / Marks sheet showing clearly having passed degree examination and eligible for award of degree.

In the first instance all qualified candidates eligible for SSB interview will carry their original Matric / Higher Secondary School Certificate as also their Degree / Provisional Degree Certificate / Marks sheet with them while going to the Services Selection Centres for SSB interview. Candidates who have not yet qualified the final year Degree examination must carry with them a certificate in original from the Principal of the College / Institution stating that the candidate has appeared / is appearing at the final year Degree examination. Candidates who do not carry the above certificates with them while going to the Services Selection Centres shall not be allowed to appear for the SSB interview. No relaxation for non-submission of the above certificates in original at the selection centre is allowed, and candidates who do not carry with them any of these certificates in original will not be permitted to appear for their SSB test and interview and they will be sent back home at their own expense.

Application Fee

Candidates ( excepting Female / SC / ST candidates who are exempted from payment of fee ) are required to pay a fee of Rs.200/- ( Rupees Two Hundred Only ) either by depositing the money in any Branch of SBI by cash, or by using net banking facility of SBI, State Bank of Bikaner & Jaipur / State Bank of Hyderabad / State Bank of Mysore / State Bank of Patiala / State Bank of Travancore or by using Visa / Master Credit / Debit Card.

Note.1 : Applicants who opt for “Pay by Cash” mode should print the system generated Pay in-slip during Part-II registration and deposit the fee at the counter of SBI Branch on the next working day only. “Pay by Cash” mode option will be deactivated at due date i.e. one day before the closing date. However, applicants who have generated their Pay-in slip before it is de-activated may pay at the counter of SBI Branch during banking hours on the closing date. Such applicants who are unable to pay by cash on the closing date i.e. during banking hours at SBI Branch, for reason whatsoever, even if holding a valid Pay-in-Slip will have no other offline option but to opt for online Debit / Credit Card or internet Banking Payment mode on the closing date.

NOTE 2 : Candidates should note that payment of examination fee can be made only through the modes prescribed above. Payment of fee through any other mode is neither valid nor acceptable. Applications submitted without the prescribed fee / mode ( unless remission of fee is claimed ) shall be summarily rejected.

NOTE 3 : Fee once paid shall not be refunded under any circumstances nor can the fee be held in reserve for any other examination or selection. The applicants shall be required to submit the proof of their fee payment within 10 days from the date of such communication either by hand or by speed post to the Commission. On receipt of documentary proof, genuine fee payment cases will be considered and their applications will be revived, if they are otherwise eligible.

NOTE 4 : For the applicants in whose case payments details have not been received from the bank, they will be treated as fictitious payment cases and their applications will be rejected in the first instance. A list of all such applicants shall be made available on the Commission website within two weeks after the last day of submission of online application. The applicants shall be required to submit the proof of their fee payment within 10 days from the date of such communication either by hand or by speed post to the Commission. On receipt of documentary proof, genuine fee payment cases will be considered and their applications will be revived, if they are otherwise eligible.

UPSC CDS 2018 Admit card

The eligible candidates shall be issued an e-Admit Card three weeks before the commencement of the examination. The e-Admit Card will be made available on the UPSC website ( ) for downloading by candidates. No eAdmit Card will be sent by post. All the applicants are required to provide valid & active e-mail i.d. while filling up online application form as the Commission may use electronic mode for contacting them.

If a candidate does not receive his/her e-Admit Card or any other communication regarding his/her candidature for the examination three weeks before the commencement of the examination, he/she should at once contact the Commission. Information in this regard can also be obtained from the Facilitation Counter located in the Commission’s Office either in person or over phone Nos. 011-23381125/011-23385271/011-23098543. In case no communication is received in the Commission’s Office from the candidate regarding non-receipt of his/her e-Admit Card at least 3 weeks before the examination, he/she himself / herself will be solely responsible for non-receipt of his/her e-Admit Card.

UPSC CDS Important dates 2018

1Date of Notification08th November, 2017
2Last Date for Receipt of Applications04th December, 2017 - 6:00pm
3Date of Commencement of Examination04th February, 2018

CDS 2016 Entrance Exam CD

CDS Previous Year Question Paper

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