NDA Exam 2027: Quick Overview
The National Defence Academy (NDA) Exam is conducted by the Union Public Service Commission (UPSC) for candidates who want to join the Indian Army, Navy and Air Force as officers.
The exact NDA 2027 exam syllabus and notification details should be checked in the official UPSC notification when released.
Before starting preparation, understand how the written examination is conducted.
| Paper | Questions | Marks | Time |
| Mathematics | 120 | 300 | 2.5 hours |
| General Ability Test | 150 | 600 | 2.5 hours |
| Total | 270 | 900 | 5 hours |
There is negative marking for incorrect answers. Therefore, avoid random guessing and focus on accuracy.
The GAT paper has two main parts:
Mathematics is an important part of the NDA written examination. It requires regular practice, clear concepts and good calculation skills.
Here are the main topics you need to prepare.
Algebra
Important topics include:
Preparation Tip: First understand what differentiation means. Then learn the rules and practise different question types.
Integral Calculus and Differential Equations
Important topics include:
Preparation Tip: Keep a separate notebook for formulas and revise it regularly.
Vector Algebra
Topics include:
Statistics and Probability
Important topics include:
Preparation Tip: Practise basic questions first. Focus on understanding the logic behind each formula.

The English section carries 200 marks in the GAT paper.
It tests your grammar, vocabulary and ability to understand written English.
Important English Topics
How Beginners Should Prepare English
You do not need to learn difficult English words every day. Start with simple and regular practice.
Follow these habits:
Even 30–45 minutes of daily practice can help you improve gradually.
The NDA General Knowledge section carries 400 marks.
It covers subjects such as Physics, Chemistry, General Science, History, Geography and Current Affairs.
Physics
Important topics include:
Preparation Tip: Study basic concepts from NCERT textbooks. Pay attention to everyday examples of scientific principles.
Chemistry
Important topics include:
Preparation Tip: Understand basic chemical reactions and learn important definitions. Avoid memorising everything without understanding it.
General Science
This section tests your basic understanding of science.
Topics include:
Preparation Tip: NCERT science textbooks are a useful starting point for beginners.
History
Important topics include:
Preparation Tip: Give extra attention to the Indian freedom movement, important events and their timelines.
Geography
Important topics include:
Preparation Tip: Use an atlas while studying geography. Maps will help you remember locations, rivers, mountains and important regions.
Current Affairs
Current Affairs tests your awareness of important national and international events.
Prepare topics such as:
Preparation Tip: Read current affairs regularly instead of trying to cover several months of news at the last moment.
The following is an indicative distribution commonly used in NDA preparation. The actual number of questions from each subject can vary.
| Subject | Indicative Marks |
| English | 200 |
| Physics | 100 |
| Chemistry | 60 |
| General Science | 40 |
| History | 80 |
| Geography | 80 |
| Current Events | 40 |
| Total | 600 |
Do not prepare only the subjects with higher expected weightage. Every section can contribute to your final score.
Beginners should avoid collecting too many books. Start with a few reliable resources and revise them properly.
| Subject | Suggested Books and Resources |
| Mathematics | NCERT Class 11 and 12 Mathematics |
| Physics | NCERT Science and Physics textbooks |
| Chemistry | NCERT Chemistry textbooks |
| History | NCERT History textbooks |
| Geography | NCERT Geography and an atlas |
| English | Wren & Martin and vocabulary practice |
| General Knowledge | NCERT books and a reliable GK resource |
| Practice | Previous Years’ NDA Question Papers |
Always compare your preparation with the latest UPSC syllabus and exam pattern.
Read Also: Best NDA Books for Mathematics, English and General Knowledge 2027
A simple timetable is better than an unrealistic schedule that you cannot follow.
| Subject | Daily Time |
| Mathematics | 2 hours |
| English | 45 minutes |
| Physics and Chemistry | 1 hour |
| History and Geography | 1 hour |
| Current Affairs | 30 minutes |
| Revision and Practice | 45 minutes |
These timings can be varied as per the school and/or college or other commitments.
PRIORITY: Pay attention to Mathematics on a daily basis. Moreover, practice past years’ questions frequently to get a feel of the actual exam pattern.
Passing the written test is a significant milestone, but it’s not the final step in the selection process.
Those candidates who pass the written test appear for the Services Selection Board (SSB) test, depending on the selection criteria used.
The selection process encompasses in general:
The SSB process is used to evaluate Officer Like Qualities (OLQs) which include:
In the process of written preparation, begin to cultivate these qualities. Read regularly, participate in group activities, take responsibility and maintain physical fitness.
Avoiding certain common pitfalls, many aspirants work hard but do not get the result they had expected.
To avoid such common issues:
Failure to start SSB preparation after the written result.Late beginning of SSB preparation after the written result.
But remember, it’s more important to study consistently than to study for long hours one or two days and then have a long break.
There are four key areas that are necessary for passing the NDA exam: Knowledge, Discipline, Confidence and Practice. It’s not necessary to learn everything all at once.
Begin at the start, stick to the syllabus, continue to make changes and assess your preparation by taking model tests.
One should not just end up passing the written test, but the goal should be to get through the test. Be prepared for the entire process of such officer course in Indian Armed Forces.
Start your preparations for NDA 2027 today. Be consistent, continuously strive for improvement and persistently pursue your goal.
Read Also: NDA 1 2026 Complete Guide: Notification, Exam Pattern and Application Form
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