Accessing a high-quality free online test series for NDA written exam 2026 is the most effective way to simulate UPSC exam conditions. At Exam Bhai, we provide comprehensive mock tests aligned with the latest NDA curriculum to boost your speed, accuracy, and confidence for the upcoming Defence service entrance.
What is the Exam?
The National Defence Academy (NDA) examination is a prestigious, national-level entrance exam conducted twice annually by the Union Public Service Commission (UPSC). It serves as the gateway for young candidates to join the Indian Army, Navy, and Air Force wings of the NDA. The selection process is rigorous, comprising a written examination followed by the Services Selection Board (SSB) interview, which evaluates a candidate’s psychological aptitude, leadership potential, and physical fitness.
Key Highlights 2026
- Conducting Body: Union Public Service Commission (UPSC)
- Exam Mode: Offline (Pen and Paper-based)
- Frequency: Twice a year (NDA I and NDA II)
- Sections: Mathematics and General Ability Test (GAT)
- Language: Bilingual (English and Hindi)
- Total Marks: 900 Marks
- SSB Interview: 900 Marks (post-written qualification)
Syllabus 2026
The NDA written exam tests candidates on foundational knowledge. Below is the breakdown of the syllabus as per the latest UPSC guidelines:
| Paper | Subject | Core Topics |
|---|---|---|
| Paper I | Mathematics | Algebra, Calculus, Matrices, Trigonometry, Analytical Geometry, Statistics |
| Paper II | GAT (English) | Grammar, Vocabulary, Comprehension, Usage |
| Paper II | GAT (General Knowledge) | Physics, Chemistry, General Science, History, Geography, Current Affairs |
Exam Pattern
The structure of the NDA examination requires a strategic approach. To master the time constraints, we recommend candidates practice free mock tests for Defence on Exam Bhai to familiarize themselves with the distribution of questions.
| Paper | Subject | Duration | Total Marks |
|---|---|---|---|
| I | Mathematics | 2.5 Hours | 300 |
| II | General Ability Test (GAT) | 2.5 Hours | 600 |
Note: There is a negative marking of 0.33 marks for each incorrect answer.
Eligibility Criteria
As per the official notifications on upsc.gov.in, candidates must meet the following baseline requirements:
- Nationality: Citizen of India, subject of Nepal/Bhutan, or Tibetan refugee who settled in India before Jan 1, 1962.
- Age Limit: Must be between 16.5 and 19.5 years at the time of commencement of the course.
- Educational Qualification: For Army Wing, a 12th-pass (10+2 pattern) from a recognized board. For Air Force and Naval wings, 12th-pass with Physics, Chemistry, and Mathematics.
Application Process
- Visit the official UPSC website at upsc.gov.in.
- Navigate to the 'Online Application for Various Examinations' section.
- Complete the two-part registration process (Part I and Part II).
- Pay the requisite fee (exempted for SC/ST candidates and sons of JCOs/NCOs/ORs).
- Select your preferred examination center and save the final confirmation page.
Preparation Strategy
Success in the NDA exam requires a balance between conceptual clarity and consistent practice. When you access our free online test series for NDA written exam, ensure you analyze your performance after every session. Focus on high-weightage topics like Algebra and Trigonometry in Math, and modern history and geography in GAT. Consistent revision using expert-curated study material for Defence will help you bridge the gap between knowing the theory and applying it under exam pressure.
Cut-Off Trends
Cut-off scores are determined based on the difficulty level of the paper and the number of vacancies. Historically, data published by upsc.gov.in suggests that a score of 340-360 out of 900 in the written exam is generally considered safe for qualifying for the SSB. However, we advise students to aim for 400+ to ensure a strong position in the final merit list.
Frequently Asked Questions
Q1: Is there any cost associated with the mock tests? A1: No, the test series provided by Exam Bhai for the NDA written exam is completely free to ensure equitable access for all aspirants.
Q2: How often should I take a mock test? A2: In the initial phase, take one test per week. As the exam date approaches, increase this to 3-4 full-length tests per week to build stamina.
Q3: Does the syllabus change every year? A3: The core syllabus remains largely consistent, but the weightage of topics and current affairs relevance is updated annually by the UPSC.
Q4: Can I take the test on my mobile phone? A4: Yes, our platform is fully responsive and optimized for both desktop and mobile devices to allow for flexible learning.
Q5: Is there negative marking in the actual NDA exam? A5: Yes, the UPSC imposes a penalty of 1/3 of the marks assigned to a question for every incorrect answer.
Q6: What is the best way to improve my GAT score? A6: Focus on reading English newspapers daily for vocabulary and stay updated with current affairs for the last 6-12 months while revising standard NCERT textbooks for Science and Social Studies.
Next Steps & Related Links
Take AI-powered mock tests tailored to the latest syllabus. Track your rank against thousands of students preparing for free online test series for NDA written exam.