The Union Public Service Commission (UPSC) conducts the National Defence Academy Examination twice a year to select candidates for the army, Navy, and Air Force wings of the National Defence Academy (NDA). 

Understanding the NDA syllabus is one of the most important steps for aspirants who want to clear the written exam and qualify for the SSB Interview.

The NDA written examination evaluates candidates on mathematics, English proficiency, and general knowledge, ensuring they have the academic knowledge and analytical ability required for officer training.

What is The NDA Exam Pattern 2026?

The NDA written examination consists of two papers, followed by the SSB interview stage. Candidates must clear both papers to move forward in the selection process. 

Key Points

• Total written marks: 900

• Negative marking: 1/3 marks deducted for incorrect answers

•  After the written exam, candidates are called for the NDASSB Interview (900 marks).
  

NDA Syllabus 2026 – Subject Wise

The NDA syllabus is divided into Mathematics and General Ability Test (GAT). The GAT paper further includes English and General Knowledge sections.

1. NDA Mathematics Syllabus

The mathematics paper evaluates the candidate’s ability in analytical thinking, problem-solving, and numerical reasoning.

Important Topics

Algebra

• Sets and operations on sets

• Venn diagrams

• Complex numbers

• Quadratic equations

• Arithmetic and geometric progressions

Trigonometry

• Trigonometric ratios and identities

• Heights and distances

• Inverse trigonometric functions

Analytical Geometry

• Straight lines

• Conic sections

• Coordinate geometry concepts

Calculus

• Differential calculus

• Integral calculus

Vector Algebra & Statistics

• Vectors and operations

• Probability

• Statistical analysis

These topics are primarily based on the Class 11 and 12 mathematics syllabus, making conceptual clarity essential for scoring well. 

2. General Ability Test (GAT) Syllabus

The GAT paper consists of English (200 marks) and General Knowledge (400 marks).

Part A: English

This section evaluates the candidate’s ability to understand and use the English language effectively.

Important Topics

• Grammar and usage

• Vocabulary (Synonyms & Antonyms)

• Idioms and phrases

• Sentence improvement

• Reading comprehension

• Ordering of words in sentences 

Part B: General Knowledge

The GK section covers multiple subjects to test the candidate’s awareness of science, history, geography, and current events.

Physics

• Laws of motion

• Work, energy, and power

• Electricity and magnetism

• Optics and light

• Heat and thermodynamics 

Chemistry

• Atomic structure

• Acids, bases, and salts

• Physical and chemical changes

• Elements and compounds

General Science

• Human body systems

• Nutrition and diseases

• Cell biology

History

• Indian freedom movement

• Ancient and modern history

• Important world revolutions

Geography

• Earth structure and climate

• Indian geography

• Natural resources

Current Affairs

• National and international events

• Defence exercises

• Awards and sports news

What is The NDA Selection Process 2026?

The complete selection process for the National Defence Academy 2026 includes the following stages:

1. Written Examination conducted by UPSC

2. SSB Interview (personality, intelligence, leadership tests)

3. Medical Examination

4. Final Merit List

Candidates must perform well in both the written exam and the SSB interview to secure admission to the academy.

What Are The Exam Preparation Tips for NDA Aspirants?

• Understand the Complete Syllabus: Start by analyzing the syllabus and dividing subjects into manageable sections.

• Focus on Mathematics and English: Together they contribute 500 out of 900 marks, making them crucial for clearing the cutoff.

• Practice Previous Year Papers: Solving previous NDA papers improves speed and helps understand the exam pattern.

• Stay updated with current affairs: Read newspapers and defence-related news regularly.

• Follow a Structured Study Plan: Daily revision, mock tests, and regular practice are essential for success.