You can follow below strategies

Preparing for Paper 1: Mathematics

This test will cover topics like Integral Calculus, Differential Equations, Trigonometry, Algebra, Vector Algebra, Matrices and Determinants, Analytical Geometry, Statistics & Probability.

To prepare for this section, the first and foremost requirement is to have clarity in concepts. The questions will test your basic understanding of the concepts. Go back to the basics if concepts are not clear and try to solve as many sums as possible. Do try to solve mock questions too to a great extent.

For this paper, you will also have to learn effective time management, wherein you solve all the questions within the stipulated time. You have to practice to come up with the answers in less than a minute. Here, emphasizing on mental mathematics may be a good idea where you learn to solve the questions mentally most of the time.

Preparing for Paper 2: General Ability

Part A: English
It covers topics like vocabulary, grammar and usage and comprehension. This test evaluates the basic command a person has on the language. To prepare for this test, read English newspaper daily, learn new words, go back to basic grammar and learn the rules thoroughly. Try to solve as many English tests as possible. There are many English tests available online as well. Try to attempt them as much as possible.
Part B: General Knowledge (GK)
It will check a candidates general understanding and his insight into the Current Affairs within the country and outside. The test will comprise six sections: General Science, Indian history, Physics, Geography, Chemistry and Current Events. To prepare for this test, follow the news updates regularly, be aware of the latest happenings in the field of sports, arts, literature, and the like. Read about the current economic scenario in the country, the recent and past policy changes and such other topics that are directly related to India and its neighbouring countries.
Preparing for Intelligence and Personality test
For this test, concentrate on developing your personality. The test usually assesses the candidates for officer-like qualities, which includes sense of responsibility, reacting to situations, social adaptability, team work, etc. To prepare for this test, you can start practicing psychological tests that enable you to know yourself. The better you know yourself, the better you will be able to control your reactions and groom yourself to develop officer-like qualities.

Are you going to appear for NDA? if yes, Then here I am providing you some preparation tips you can follow.

Schedule your Study Plan Smartly

For better preparation, it is necessary to have a smart study plan. Here, smart study plan means to manage your time and NDA syllabus efficiently. Your preparation schedule must be well-organized so that you are able to score good marks.

Your Basics Should Be Clear

Firstly, do the analysis of your complete syllabus and mark the topics that require more concentration. Start preparing the topics from basics. If your basics are clear then only you are able to solve the high level questions.

Focus on General Knowledge and English Subject

Your English is not only tested in written test but if there is fluency in your English, then it may leave the good impression on selectors also at the time of interview.

As General Knowledge is the part of syllabus so prepare it well. You can strong your GK portion by reading newspapers, magazines, journals, refer books of prominent writers that focus on current affairs, etc.

Study Material

• Manorama Yearbook by Mathew M 2017
• Mathematics for NDA and NA: National Defence Academy and Naval Academy by R S Aggarwal
• Quantitative aptitude for competitive examinations by R.S. Aggarwal
• NDA INA Practice Papers: Conducted by UPSC (English) by Sachchida Nand Jha
• NDA & NA National Defence Academy and Naval Academy Entrance Examination: 10 Practice Sets (English) by Expert Compilations
• Objective GK & Current Affairs level 2: For UPSC/ IES/ State PCS/ Bank Clerk/ PO/ SSC

Solve Previous Year Question Papers

It is very important to do the preparation in right direction. By solving previous year questions, your speed will be enhanced as well as you will get the idea about the NDA exam pattern of the examination and difficulty level of the questions asked in the examination.