Best CDS Coaching in Delhi - Major Kalshi Classes

Best CDS Coaching in Delhi

Major Kalshi Classes is the Best CDS Coaching in Delhi.

Best CDS Coaching in Delhi

Thos who are looking to make their career in defence sector need to have proper guidance from experts to get quailfied in CDS written exam. Yes, Major Kalshi Classes is one of the best cds coaching in delhi for the UPSC CDS exam. Whether Indian Army, Navy or Air Force, we offer the best in class infrastructure and an experienced faculty that comprises Ex- SSB Interviewers and Subject Matter Experts. The Services Selection Board conducts the 5-Day SSB Interview to shortlist candidates that can be trained in various Defence Academies like the IMA, INA, OTA, and AFA to join the Indian Armed Forces as commissioned officers.

CDS (Combined Defense Services) is an exam conducted by the Union Public Service Commission (UPSC) to recruit candidates into the Indian Armed Forces. Best CDS Coaching in Delhi refers to coaching or training provided to aspirants who are preparing to take the CDS exam.

Best CDS coaching in Delhi is available in various formats, including online coaching, classroom coaching, self-study materials, and mock test series. These coaching programs aim to provide aspirants with the necessary knowledge and skills required to crack the CDS exam.

Best CDS coaching in Delhi covers a wide range of subjects, including General Knowledge, English, Mathematics, and Reasoning. It also includes guidance on how to prepare for the SSB (Services Selection Board) interview and physical fitness tests.

There are many coaching institutes and online platforms that offer best CDS coaching in Delhi. Before selecting a coaching program, it is essential to research the available options and choose the one that best fits your learning style, schedule, and budget. It is also important to check the credibility and success rate of the coaching institute or platform before enrolling.

What are the CDS (I) and (II) Exams?

 The "Combined Defence Services" (CDS) Examination is conducted twice a year by the Union Public Service Commission (UPSC) for the recruitment of candidates into the Indian Military Academy, Officers Training Academy, Indian Naval Academy, and Indian Air Force Academy. The UPSC will conduct the CDS exam twice a year in the month of February and September.  Candidates who aim to serve the nation by joining the defence forces can start applying for the CDS examination. In order to apply online for the CDS examination, candidates should meet all the eligibility requirements set by the Commission. The selection of the candidates will be based on a written examination followed by an interview for intelligence and personality test. The shortlisted candidates will be placed at the respective academies based on preference and merit. 

CDS Exam - Overview


Combined Defence Services (CDS) Examination 


Union Public Service Commission (UPSC) 

Application mode


Number of vacancies

400 (approximately) 

Application fee

INR 200/- 


Twice a year 

Exam mode


Selection process

Written test and SSB interview

Admit card mode


Official website 


CDS Syllabus – Knowledge of the syllabus and the latest CDS exam pattern is important to plan out the preparation of the Combined Defense Services exam in a strategic manner. 

UPSC conducts the CDS exams to recruit candidates for the Indian Military Academy, Indian Naval Academy, Officers Training Academy, and Indian Air Force Academy. 

Aspirants willing to get into the Defense Force through the CDS exam must upkeep themselves with the CDS Syllabus and exam pattern. Therefore, for the candidate's convenience, 

CDS Eligibility Criteria

 Physical Criteria-

 Candidates must be physically and mentally fit according to prescribed physical standards for admission to CDS (I) & CDS (II)  A candidate who has resigned or withdrawn on disciplinary grounds from any of the training academies of Armed Forces is not eligible to apply Permanent body tattoos are only permitted on the inner face of the forearm, i.e. from inside of elbow to the wrist and on the reverse side of palm/back (dorsal) side of the hand Permanent body tattoos on any other part of the body are not acceptable and candidates will be barred from further selection. Tribes with tattoo marks on the face or body as per their existing custom and traditions will be permitted on a case-to-case basis 


A candidate must be unmarried and must either be:- 

(i) A Citizen of India, 

(ii) A subject of Nepal, or 

(iii) A Person of Indian origin who has migrated from Pakistan, Burma, Sri Lanka and East African Countries of Kenya, UgaCDS, 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) and (iii) above shall be a person who is favor a certificate of eligibility has been issued by the Government of India. A 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 Government. 

Educational Qualification: 

1. For IMA & Officers' Training Academy, Chennai - Degree of a recognized University or Equivalent. 

2. For Indian Naval Academy - Degree in Engineering from a recognized University / Institution.

 3. For Air Force Academy - Degree of a recognized University (with Physics & Mathematics at 10+2 Level) or Bachelor or Engineering.

CDS Exam Pattern-

The CDS exam pattern is prescribed by the Union Public Service Commission. UPSC mentions the exam pattern of CDS in detail in the official notification of the exam. 

The CDS Selection Process is divided into two stages:

  1. Written examination
  2. SSB Interview

CDS exam pattern for Written Exam

The written examination of CDS is further divided into parts.

  • For IMA, INA, and AFA the written test comprises three sections i.e. English, General Knowledge, and Elementary Mathematics.
  • For OTA there are two sections in the written exam i.e. English and General Knowledge.

Important points for CDS Written Exam

  1. The total marks for the written exam are 500. 300 marks for the written test of IMA, INA, and AFA, while 200 for the written exam of OTA.
  2. Time duration allowed to complete the exam is 6 hours (each section 2 hours) for IMA INA & AFA. 4 hours are given to complete the written test for OTA.
  3. The question paper in the written exam will be objective type only. 
  4. For mathematics, the standard of questions will be of 10th level whereas for other subjects the standard of the paper will be of graduation level. 

CDS Exam Pattern for IMA, INA, AFA



Maximum marks


2 hours each section

100 marks each section

General Knowledge

Elementary Mathematics

Total – 300 marks


CDS Exam Pattern for OTA



Maximum marks


2 hours each section

100 marks each section 

General Knowledge

Total – 200 marks


CDS Marking Scheme

It is important to know the CDS marking scheme for candidates to devise an effective exam-taking strategy. The CDS marking scheme as prescribed by UPSC is as follows:

  1. 1 mark is awarded for each correct answer
  2. 0.33 marks are deducted for each wrong attempt
  3. Questions left unanswered are not covered under negative marking
  4. If two answers are marked for one question. It will be considered wrong and negative marks will be deducted. 

CDS Exam Pattern – SSB Interview

Candidates who qualify in the CDS written examination will have to appear for SSB Interview. The examination of CDS is conducted by the Union Public Service Commission but the interview is held by the Service Selection Board – SSB. 

The SSB Interview is conducted in two stages over a period of 5 days – 

Stage I – comprises Officer Intelligence Rating (OIR) tests and Picture Perception Description Test (PP&DT)

Stage II – consists of Interviews, Group Testing Officer Tasks, Psychology Tests, and Conference. Only the candidates shortlisted in Stage the  I of SSB Interview are called for this stage. 

Now that you are aware of the CDS exam pattern, let us move ahead to the section-wise and topic-wise CDS Syllabus.

CDS Syllabus- 

The notification of the Combined Defense Service examination mentions in detail the CDS syllabus. 

CDS Syllabus is prescribed by the exam conducting body i.e. UPSC and generally remains the same each year.

Broadly, the syllabus of CDS is divided into three sections-

  1. Elementary Mathematics
  2. English
  3. General Knowledge

CDS Syllabus Mathematics-

The topics covered in the CDS syllabus of mathematics are Algebra, Arithmetic, Geometry, Trigonometry, Mensuration, and Statistics. 

Important topics from each chapter to be covered for the exam are mentioned below-

CDS Syllabus – Elementary Mathematics


Basic Operations, Simple factors, Remainder Theorem, HCF/LCM, Theory of polynomials, 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


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, 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 and use of logarithmic tables


Lines and angles, Plane and plane figures, Theorems on Properties of angles at a point, Parallel lines, Sides and angles of a triangle, Congruence of triangles, Similar triangles, Concurrence of medians and altitudes, Properties of angles, Sides and diagonals of a Parallelogram, Rectangle and square, Circles and its properties including tangents and normals and Loci


  • 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


Collection and tabulation of statistical data, Graphical representation frequency polygons, Histograms, Bar charts, Pie charts, etc., Measures of central tendency


Areas of squares, Rectangles, Parallelograms, Triangle and Circle. Areas of figures 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, and Surface area and volume of spheres


CDS Syllabus – English

The questions in the English section of the CDS exam are designed to test the candidate’s understanding of basic grammar, vocabulary and knowledge of English. Questions in this section are framed from the following topics: 

CDS Syllabus – English

  1. Antonyms
  2. Sentence improvement
  3. Comprehension
  4. Synonyms
  5. Word substitution
  6. Ordering of sentences
  7. Spotting Errors
  8. Selecting Words
  9. Ordering of words in a sentence

CDS Syllabus – General Knowledge

The General Knowledge section tests the knowledge candidate related to current events and happenings around the world. The questions in this section are included from the History of India, Geography of nature, and science as well. Topics that candidates should prepare in the General Knowledge section are given below.

 CDS SSB Interview Selection Process-

The CDS SSB Interview for the ACC En-try exam is held 5 days in a row. Candidates who pass the written exam are invited to the CDS SSB interview. During these five days, candidates are tested on a variety of parameters.

  • Day 1 (Stage I):
    • Intelligence test
    • Picture perception & Discussion test

Candidates who clear this stage have to appear for Stage II

  • Day 2 (Stage II):
    • Psychological test
    • Group task
    • Personal Interview
  • Day 3: GTO test
  • Day 2-4: Interviews
  • Day 5: Conference

Marking Scheme In CDS SSB Interview

Pertaining to the CDS SSB Marking System, each of the three assessors will evaluate the medical test, the group task, and the personal interview for a total of 300 marks (PI). A minimum score of 90 is required from each assessor. The SSB consists of 900 total points. It Is Also Divided Into 4 Parts (Psychology, GTO, Interview, And Conference Round), Giving Each Test Phase 900/4=225 Marks. Out of these 225 marks, you must receive at least 90 in order for either of the assessors to say "Yes," while scoring less than 90 simply results in a "No."

Screening, psychological tests, GTO tasks, and a personal interview are all part of the initial four days of the SSB interview process. In this case, you would need to pass with at least 90*3= 270 marks.


Complete Marking Scheme for  CDS SSB Interview-

A minimum of 90 points must be obtained from each assessor.  CDS SSB has a total of 900 points. It is then divided into four parts (psychology, GTO, interview, and conference round), with each test phase receiving 900/4=225 marks.



Minimum Marks for Recommendation

















List Of Documents Required For The  CDS SSB Interview-

  • Matriculation or Equivalent Certificate for verification of your date of birth. [Certificates issued by the board concerned (CBSE/State Boards/ICSE)/ admit Card/ Mark sheet/ Transfer/ Leaving Certificate etc in which date of birth is reflected are not acceptable proof of date of birth.] 
  • Marks Sheet of Matriculation or equivalent. 
  • Intermediate/ 10+2 pass certificate. 
  • Marks Sheet of Intermediate/10+2 examinations. 2 
  • Graduation Degree/ Provisional Degree showing clearly having passed the degree examination and eligible for award of degree.
  • Mark Sheets of all years/semesters. 
  • NCC ‘C’ Certificate. (Not required for wards of Battle Casualty).
  • One copy of the Online Application is duly signed and affixed with a self-attested photograph. (Applications of candidates serving in the Armed Forces should be duly countersigned by the Commanding Officer). 
  • Self Declaration Certificate (Only One SSB Appearance). Candidates can appear for ONLY one of the SSB interviews, that is, either for SSC (NT) -109 Course (Apr 2019) as a CDSE candidate OR NCC Spl Entry-45 Course (Apr 2019). A declaration to this effect needs to be filled and submitted by the candidates at the time of the SSB interview,
  • No Claim Certificate. 
  • Valid Proof of Identity with a photograph - Aadhaar Card/ PAN Card/ Voter ID Card/ Passport. (m) Certificate for Not Having Duplicate Profiles/Registration IDs
  • For Candidates from Universities Following CGPA/ Grades System:- 
    • (i) Conversion Certificate regarding formulae for conversion of CGPA/ Grades into marks as followed by the University. 
    • (ii) Self-Certified Declaration Certificate (Aggregate Percentage) regarding aggregate percentage obtained.
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