About NDA Coaching

Krishna Institute is one of the top Institute for NDA coaching in Delhi/NCR located at mukherjee nagar, which is providing best NDA coaching in Delhi and gives excellent result in NDA entrance exam to aspirants. NDA (National Defense Academy) is a academy where Army, Navy Camp; Air force cadets are trained together for Indian Armed Forces before they go on to pre-commissioning training to their respective service academies.
Krishna Institute is the right choice for NDA coaching in Delhi to get success in NDA written Exam.

Examination Details:

National Defense Academy entrance exam is held twice a year for recruitment of aspirants to any of these: Army, Navy and Air Force. This exam is conducted by Union Public Service Commission (UPSC) of India.

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About the Exam & How to Succeed in It?

About the Examination and the Conducting Authority

Education is the glorious route through which anyone can attain the goal of success. And if education has been acquired through a renowned institution, it leads to achieve glorious heights in career. National Defense Academy (NDA) is one such institution which propels the students in the arena of life and contributes to a very successful and fulfilled career. But to get enrolled in this institution means goal directed study for passing in a competitive examination which is conducted by Union Public Service Commission nationwide. For recruitment to Army, Navy and Air Force wings of Indian Army, there is prestigious National Defense Academy Entrance Examination. The examination is conducted twice a year, and the duration of training is three years.

Though the candidate may give his preference for a particular wing of the Armed Forces, the final selection depends upon his performance and place in the merit list.

Career Building

Admission into NDA means a golden opportunity for learning, since the best of instructors and teachers are found here. The students get phenomenal opportunities to constantly hone and upgrade their skills. On completion of studies, NDA grants its students degrees in Science and Computer Science. Students who opt for technical Qualifications have the facility of achieving education through the most Prestigious technical institutions. The certificates are awarded by renowned Jawaharlal Nehru University. Some of the most well-known and highly graded institutions teaching engineering, medicine administration, and armament are run by Indian Army. Students here have facility to take leave in the middle of the tenure for further studies.

Number of Students Appearing

There are more than 1,50,000 candidates appearing in this examination. The number of students which started with 40,000 has been swelling up every year because of the opportunity provided by the Academy for training as an officer in the Armed Forces. As the number of the students has increased so has the competitive level of examination. At one particular mark there are more than 500 students. This, however, does not mean that it is impossible to compete in the examination. It means one has to go through good amount of study for this examination.

Month and Frequency of one Examination

The examination is conducted in a scheduled way by Union Public Service Commission and is held twice a year generally, in the months of April and September.

Popularity of the Exam

The examination is held in esteem by the students. It is a big thing to be enrolled in National Defense Academy. As soon as a child reaches class VIII, he begins to aspire for a career as an officer in Armed Forces. The life of an officer has many amenities. It is also prestigious to hold an office in the security resource of the country. It is a noble job to serve the country in this manner. In a way, one is a confidant of the government which relies heavily on its Armed Forces for the security of the country.

As soon as one becomes a part of NDA, one begins to be treated with awe and respect in the society.

General Eligibility

These are the pre-requisites for being eligible for a life as an officer in NDA.

(a) Nationality

A candidate must be either:
(i) A citizen of India, or

(ii) A subject of Bhutan, or

(iii) A subject of Nepal, or

(iv) A Tibetan refugee who came over to India before the 1St January, 1962 with the intention of permanently settling in India, or

(v) 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.

(b) Age limit, sex and marital status

A candidate must be an unmarried male and must have attained the age of 16 ½ years and must not have attained the age of 19 years on the 1st January or 1st of July of the year of examination.

(c) Educational qualifications

(i) For Army wing of National Defense Academy, Class XII pass of the 10+2 Pattern of school education or equivalent examination conducted by a State Education Board or a University.

(ii) For Air Force and Naval wings of National Defense Academy and for the 10+2 (Executive Branch) Course at the Naval Academy, Class XII pass of the 10+2 pattern of school education of equivalent with physics and Mathematics conducted by a State Education Board or a University.

Course and number of papers
There will be two papers with the syllabus shown below paper wise.

Paper I


  • Algebra
  • Trigonometry
  • Differential Calculus
  • Integral Calculus and Differential equations
  • Vector Algebra
  • Statistics and Probability
  • Probability

Paper II

English & General Ability

  • Part A: English
  • Part B: General Ability
  • Section ‘A’: Physics
  • Section ‘B’: Chemistry
  • Section ‘C’: General Science
  • Section ‘D’: History, Freedom Movement etc
  • Section ‘E’: Geography
  • Section ‘F’: Current Events.

Distribution of Marks

The distribution of marks is as following:

Paper Subject No. of Questions Time Marks
Paper I Mathematics 120 2 ½ hours 300
Paper II English &General Ability 150 2 ½ hours 600
Total 270 5 hours 900

Note : In the Paper of General Eligibility Test out of total 150 Question, 50 Questions are of English (200 marks) and 100 Questions are of General Ability (400 marks).


Defence Services namely Indian Army, Indian Air Force and Indian Navy are one of the finest institutions of our country. These institutions are looked upon by every one for several virtues like discipline, dedication, commitment, adventure etc. These institutions provide a very clean and healthy environment to work and live with a sense of pride and honour. In the yesteryears, only the elite sections of the society could join the services as an officer and it was a matter of prestige to be associated with the armed forces. However, post 90’s the luster of working abroad or working in multinational companies and earning huge sums of money diverted the youth to these lustrous jobs and less numbers aspired to join the defence forces. However, within a span of two decades reality has dawned upon our youth and the latest trend is that engineers working in best of companies like TCS, WIPRO etc. aspire for defence careers. Thus, the armed forces have stood the test of time.
Highlights of Career as an Officer

  • As an officer one enjoys a great sense of purpose of serving the motherland
  • Wearing the uniform gives a sense of pride and honour
  • Opportunity to lead a large team at a very young age
  • Fantastic camaraderie and team work
  • Disciplined and orderly life style
  • Best of training and education
  • Sports and adventure
  • Work life balance and overall well – being

Selection Centres

The Indian Army has three selection centres across the country. These are Selection Centre East at Allahabad, selection Centre Central at Bhopal and Selection Centre South at Bangalore. In all, there are 10 Services Selection Boards of the Army which are organized as follows:-

  • Selection Centre East, Allahabad – 11 SSB, 14 SSB, 18 SSB, 19 SSB, 34 SSB
  • Selection Centre Central, Bhopal – 20 SSB, 21 SSB, 22 SSB
  • Opportunity to lead a large team at a very young age
  • Selection Centre south, Bangalore – 17 SSB, 24 SSB

The Navy has two SSBs, one each at Bhopal and Bangalore and one Naval Selection Board at Coimbatore. Three more boards are under formation at Visakhapatnam. The Air Force has three boards namely,

  • No. 1 Air Force Selection Board at Dehradun
  • No. 2 Air Force Selection Board at Mysore
  • No. 3 Air Force Selection Board at Varanasi

Testing Schedule

Unlike other organizations, the Selection process in the armed forces is very elaborate and is done over five days. Three different assessors namely the Interviewing officer, Group Testing Officer and the Psychologist test each candidate from three different perspectives and arrive at their respective decision. Thereafter, on the last day in the board conference, they all sit together and discuss each case to arrive at the final decision. The schedule of testing is described below.

Reporting Day Normally, candidates are made to report in the afternoon and are picked up by a bus from the railway station. On reporting, they are given an opening briefing by the duty GTO covering the testing schedule, dos and don’ts etc. after that the candidates are asked to fill up a personal Information Questionnaire (PIQ) form. The PIQ forms the basis of psychological testing and the interview. The importance of this form and how to go about filling this are covered later.

Day 1 – Candidates are put through a screening test which comprises of intelligence tests followed by picture perception and discussion test. Based on the performance in these tests some of the candidates are retained for stage 2 testing and others are allowed to return home the same day. Hence, qualifying in this test is most important.

Day 2 – On day 2, candidates screened in on day 1 are put through psychological tests which comprise of Word Association Test (WAT), Thematic Apperception test (TAT ) and Situation Reaction Test (SRT). In addition, the candidates are asked to describe themselves (Self Description). On Completion of these tests, the interview will start.

Day 3 – Candidates go through Group Testing on day 3 and 4. Candidates are divided into groups of 6 to 10 each depending upon the total candidates screened in. On day 3 Group Discussion (GD), Group planning Exercise (GPE), Progressive Group Task (PGT), Group obstacle Race (GOR), Half Group Task (HGT) and Lecturette are conducted. In some cases even the Individual Obstacles can be conducted on day 3 itself depending upon the weather and engagements of the assessor. On completion of the GTO testing, the interviews of the remaining candidates are done.

Day 4 – On day 4, the remaining tasks of the Group Testing like Individual Obstacles, Command Task and final Group Task are conducted. On completion of group testing, interview of the remaining candidates are done.

Day 5 – Last day is the conference day wherein each candidate is called in one by one for a final look and a final decision is arrived at. The results are announced by afternoon and candidates not recommended are allowed to leave.

Day 6 to 10 – Successful candidates are put through medicals in the nearest military hospital and on an average it takes five days to complete. Those who fail in the medicals are allowed to appeal to the nearest military hospital within 45 days.

How to prepare – NDA

Krishna institute Focus on topic wise for NDA preparation from where question arises in previous year. We detail given below each topic how many question arises Krishna institute is best coaching institute for NDA preparation

Exam Pattern: – There are two papers for one day exam.

  1. 1. Math – 120 Question (300 marks)
  2. 2. G.A (General Ability) – 150 Question (600 marks)

Trends of math paper:-

There are three basic portion of math.

  1. Calculus (44 to 48 questions i.e. 38% )
  2. Algebra (42 to 44 question i.e. 37% )
  3. Co – Geometry (28 to 34 questions i.e. 25%)

Further, In calculus

  1. Function – (16 to 18 questions)
  2. Differential equation( 10 to 11 questions)
  3. Integration & differential(8 to 10 questions)
  4. Monotonocity , Graph & Area (7 to 9 question)

In algebra:

  1. Complex no – 4 to 6 questions.
  2. Quadratic equation – 4 to 05 questions.
  3. 20 & 30 vector – 6 to 8 questions.
  4. Sequence & series with binomial theorem- 4 to 5 questions
  5. Probability & P .C – 12 to 14 questions
  6. Statics & height Distance – 2 to 4 questions

In Co-Ordinate Geometry:

  1. St.Line & pair of st.Line – 4 to 6 questions
  2. Circle – 4 to 5 question.
  3. Parr bole – 6 to 8 question
  4. Ellipse – 3 to 4 questions
  5. Hyperbola & sphere – 4 to 5 questions

Trends of General Ability Paper:

  1. English (50 questions I.e. 33.33%)
  2. General science (38 to 42 questions I.e. 26%)
  3. Social science & current affairs – (60 to 62 questions i.e 30.77%)

Further In General science:-

  • Biology – 16 to 18 questions.
  • Physics – 12 to 14 questions.
  • Chemistry – 6 to 8 questions.

Where to join?

Join Krishna institute because it provides better faculty member & Guidance. It follows the trends of exam & responsible for Course & Selection.