The National Defence Academy (NDA) and Naval Academy (NA) Examination (I), 2025, conducted by the Union Public Service Commission (UPSC), serves as a gateway for candidates aspiring to join the Indian Armed Forces. The examination comprises a well-structured scheme and syllabus designed to assess the knowledge, skills, and potential of candidates in various subjects.

Scheme of Examination

The examination consists of two papers, each with a specific duration and maximum marks:

• Mathematics (Code No. 01)

  • Duration: 2½ Hours
  • Maximum Marks: 300

• General Ability Test (Code No. 02)

  • Duration: 2½ Hours
  • Maximum Marks: 600

Total Marks

• Total: 900 marks for the written examination
• SSB Test/Interview: 900 marks (to be conducted for candidates who qualify the written examination)

All papers will consist of objective-type questions, and the question papers for Mathematics and the General Ability Test will be set bilingually in Hindi and English.

Syllabus

Paper I: Mathematics

The Mathematics syllabus covers a broad range of topics, ensuring a comprehensive evaluation of candidates' mathematical abilities. The key topics include:

• Algebra

  • Sets, operations on sets, Venn diagrams, De Morgan laws, relations, and equivalence relations.
  • Complex numbers, binary system, progressions, and quadratic equations.

• Matrices and Determinants

  • Types of matrices, operations, determinants, adjoint, inverse, and applications in solving linear equations.

• Trigonometry

  • Trigonometric ratios, identities, and applications in height and distance.

• Analytical Geometry

  • Cartesian coordinate system, equations of lines, circles, conics, and three-dimensional geometry.

• Differential Calculus

  • Functions, limits, continuity, derivatives, and applications in maxima and minima.

• Integral Calculus and Differential Equations

  • Integration techniques, definite integrals, and basic differential equations.

• Vector Algebra

  • Vectors in two and three dimensions, operations, and applications.

• Statistics and Probability

  • Data classification, measures of central tendency, probability concepts, and distributions.

Paper II: General Ability Test

The General Ability Test is divided into two parts:

• Part A: English (Maximum Marks: 200)

  • Focuses on understanding and proficiency in English through grammar, vocabulary, comprehension, and cohesion in extended texts.

• Part B: General Knowledge (Maximum Marks: 400)

  • Covers a wide array of subjects, including:
    • Physics: Basic principles, laws of motion, properties of matter, and optics.
    • Chemistry: Elements, mixtures, compounds, and basic chemical reactions.
    • General Science: Basic biology, human body, and environmental science.
    • History: Indian history, freedom movement, and significant global events.
    • Geography: Earth’s physical features, climate, and natural resources.
    • Current Events: Awareness of recent developments in India and the world.

Conclusion

The NDA & NA Examination (I), 2025, is a crucial step for candidates aiming to serve in the Indian Armed Forces. The comprehensive scheme of examination and syllabus ensures that candidates are rigorously tested on their academic knowledge and analytical abilities, preparing them for the challenges of military training and service. Aspirants are encouraged to prepare diligently across all subjects to enhance their chances of success in this prestigious examination.