NDA 1 2027 Notification: Official Date, Eligibility, Vacancy, Syllabus & Complete Preparation Guide
The NDA 1 2027 Notification is the gateway for Class 12 students and recent pass-outs who dream of joining the Indian Army, Navy, or Air Force as officers. Conducted by the Union Public Service Commission (UPSC), the National Defence Academy & Naval Academy Examination (I), 2027 selects candidates for training at the National Defence Academy (NDA), Khadakwasla, and the Indian Naval Academy (INA).
As per the official UPSC Annual Calendar 2027 (released in May 2026), the NDA 1 2027 Notification is scheduled for release on 2 December 2026. Applications open the same day and close on 22 December 2026. The written examination will be held on 11 April 2027 (Sunday). These dates are confirmed from the UPSC calendar and remain subject to any official revision.
This guide covers every fact related to the NDA 1 2027 Notification — eligibility, age limit, educational qualifications, vacancies pattern, exam pattern, syllabus, application process, selection stages, medical standards, and preparation insights. It is structured for clarity, easy citation, and practical value for aspirants preparing in 2026–27.
Key Highlights of NDA 1 2027 Examination
| Particulars | Details |
|---|---|
| Exam Name | NDA & NA Examination (I), 2027 |
| Conducting Authority | Union Public Service Commission (UPSC) |
| Exam Level | All-India National Level |
| Wings Covered | Army, Navy, Air Force & 10+2 Cadet Entry (Naval Academy) |
| Gender Eligibility | Unmarried Men & Women |
| Selection Mode | Written Test (900 Marks) + SSB Interview (900 Marks) + Medical Test |
| Official Website | upsc.gov.in |
NDA 1 2027 Important Dates (Official Schedule)
As per the official UPSC examination schedule, the calendar for the NDA 1 2027 Notification is detailed below:
| Event | Official Date |
| NDA 1 2027 Notification Release | 2 December 2026 |
| Online Application Window | 2 December 2026 to 22 December 2026 |
| Application Correction Window | Late December 2026 |
| Admit Card Release | 2 to 3 weeks prior (March 2027) |
| NDA 1 2027 Written Exam Date | 11 April 2027 (Sunday) |
| Written Result Declaration | May/June 2027 |
| SSB Interview Call Letters | July–September 2027 |
Always cross-check the official notification PDF on upsc.gov.in once released, as minor changes can occur.
Detailed NDA 1 2027 Eligibility Criteria
Before applying, aspirants must verify their eligibility against the age, educational, and physical criteria specified by UPSC
1. Nationality
Candidates must be:
- A citizen of India, or
- A subject of Nepal or Bhutan, or
- A Tibetan refugee who came to India before 1 January 1962 with the intention of permanent settlement, or
- A person of Indian origin who has migrated from specified countries (Pakistan, Burma, Sri Lanka, East African countries, Vietnam, etc.) with the intention of permanently settling in India.
Certain foreign nationals may need an eligibility certificate issued by the Government of India.
2. Age Limit & Date of Birth Range
For NDA 1 2027, candidates must fulfill the DOB parameters set by the commission:
Expected DOB Window: Candidates born not earlier than 2 July 2008 and not later than 1 July 2011 are eligible.
Age Span: Approximately 16.5 to 19.5 years during course commencement.
Marital Status: Strictly unmarried male and female candidates.
Note: Marital status must remain unmarried throughout the duration of training at the academy.
3. Educational Qualification (Wing-Wise)
| Academy / Wing | Required Qualification | Subject Criteria |
| Army Wing | Passed or Appearing in Class 12 (10+2 pattern) | Any discipline (Arts, Commerce, Science) |
| Air Force Wing | Passed or Appearing in Class 12 (10+2 pattern) | Physics, Chemistry, and Mathematics (PCM) mandatory |
| Naval Wing & 10+2 INA | Passed or Appearing in Class 12 (10+2 pattern) | Physics, Chemistry, and Mathematics (PCM) mandatory |
Students appearing in their Class 12 board examinations during the 2026–2027 academic session can also apply provisionally.
Expected Vacancies in NDA 1 2027
Exact vacancies will be published in the NDA 1 2027 Notification. Recent cycles (including NDA 2 2026) have shown provisional totals around 370–400 seats, distributed approximately as:
- Army: ~200+ (including limited female seats)
- Navy: ~40
- Air Force (Flying + Ground Duties Tech/Non-Tech): ~110–120
- Naval Academy (10+2 Cadet Entry): ~20–25
Female vacancies remain limited and are notified separately for gender-pure selection. Numbers are provisional and depend on training capacity and service requirements.
NDA 1 2027 Exam Pattern & Marking Scheme
The written exam is objective-type and conducted offline on the same day in two sessions.
| Feature | Paper 1: Mathematics | Paper 2: General Ability Test (GAT) |
| Number of Questions | 120 Questions | 150 Questions (50 English + 100 GK) |
| Total Marks | 300 Marks | 600 Marks |
| Marks per Correct Answer | +2.5 Marks | +4.0 Marks |
| Negative Marking (1/3rd) | -0.83 Marks per wrong answer | -1.33 Marks per wrong answer |
| Duration | 2 Hours 30 Minutes | 2 Hours 30 Minutes |
Negative Marking: One-third of the marks allotted to a question are deducted for each wrong answer. No penalty for unanswered questions.
GAT consists of English (approx. 200 marks) and General Knowledge (approx. 400 marks).
Syllabus Breakdown for NDA 1 2027
To score above the written cutoff (typically around 350–360/900), coverage of the core syllabus is essential.
1. Paper-I: Mathematics (300 Marks)
Algebra: Sets, Venn diagrams, Complex numbers, Quadratic equations, Permutations & Combinations, Binomial theorem, Logarithms.
Matrices & Determinants: Types of matrices, Operations, Determinants, Inverse of a matrix.
Trigonometry: Trigonometric ratios, Identities, Heights & Distances, Inverse trigonometric functions.
Analytical Geometry (2D & 3D): Distance formula, Lines, Circles, Conic sections, 3D coordinate space.
Differential & Integral Calculus: Limits, Continuity, Derivatives, Definite/Indefinite Integrals, Differential equations.
Vector Algebra & Probability: Vectors in 2D/3D, Scalar & Vector products, Bayes’ theorem, Probability distributions.
2. Paper-II: General Ability Test (600 Marks)
Part A: English (200 Marks / 50 Questions): Spotting Errors, Vocabulary (Antonyms & Synonyms), Ordering of Words, Sentence Improvement, Idioms & Phrases, Reading Comprehension.
Part B: General Knowledge (400 Marks / 100 Questions):
Physics (100 Marks): Mechanics, Optics, Electricity, Sound, Thermodynamics, Modern Physics.
Chemistry (60 Marks): Physical changes, Elements, Acids, Bases, Salts, Chemical Reactions, Metals & Non-metals.
General Science (40 Marks): Basics of Biology, Human Physiology, Diseases, Plants & Food Resources.
History & Freedom Movement (80 Marks): Modern Indian History, National Movement, World History overview.
Geography (80 Marks): Earth, Atmosphere, Indian Physical Geography, Resources, Climate.
Polity, Economics & Current Affairs (40 Marks): Indian Constitution, Defence-related news, Sports, International summits.
Selection Process for NDA 1 2027
- Written Examination (UPSC) – Qualify the cut-off.
- SSB Interview (5 days) – Screening (Day 1), Psychological Tests, Group Testing Officer Tasks, Personal Interview, Conference. Assesses Officer-Like Qualities (OLQs). Air Force candidates also face CPSS for flying branch.
- Medical Examination – Comprehensive physical and medical standards (height, weight, vision, hearing, dental, no major disabilities). Standards differ slightly for Army, Navy, and Air Force (especially Flying).
- Final Merit List – Based on written + SSB marks, medical fitness, and vacancies. Preference for service (Army/Navy/Air Force) is considered subject to merit and availability.
Step-by-Step Application Guide for NDA 1 2027
When the registration window opens on 2 December 2026, follow these steps to apply on the official UPSC online portal:
4-Phase Preparation Strategy for NDA 1 2027
Focus on clearing basic concepts in Mathematics and Class 11-12 NCERT science topics. Build daily reading habits for English vocabulary and current affairs.
Complete core syllabus topics across both papers. Solve chapter-wise problems and start solving Previous Year Questions (PYQs) to understand exam trends.
Take sectional tests and full-length mock exams. Analyze errors, improve time management in Mathematics, and refine elimination techniques for GAT.
Revise quick formulas, shortcuts, and current affairs notes. Avoid taking up new topics; focus on boosting confidence and maintaining accuracy.
Medical & Physical Standards (Key Points)
Candidates must meet prescribed height, weight, and BMI norms (with age and gender variations). Vision standards are stricter for Flying branch. Common rejection causes include refractive errors beyond limits, flat feet, knock knees, colour blindness (beyond permitted levels), and certain medical conditions. Maintain fitness early — regular exercise, healthy diet, and periodic medical check-ups help.
Frequently Asked Questions (FAQs)
Q1. What is the expected release date for the NDA 1 2027 Notification?
As per the UPSC Annual Calendar, the NDA 1 2027 Notification will be released on 2 December 2026.
Q2. Can female candidates apply for NDA 1 2027?
Yes, eligible unmarried female candidates can apply for all three wings (Army, Navy, and Air Force) as well as the Naval Academy.
Q3. Is Class 12 PCM mandatory for all NDA wings?
No. PCM (Physics, Chemistry, Mathematics) is mandatory only for the Air Force, Naval Wing, and 10+2 INA Course. Candidates from any stream (Arts, Commerce, Science) can apply for the Army Wing.
Q4. Is there negative marking in the NDA 1 2027 written exam?
Yes, there is a penalty of 1/3rd mark deducted for every incorrect answer in both Mathematics (-0.83 marks) and GAT (-1.33 marks).
Why Choose Indian Defence Institute – Best NDA Coaching in Dehradun
Preparing for the NDA written examination alongside SSB interview personality development requires expert guidance, structured discipline, and regular evaluation. Indian Defence Institute, widely recognized as the Best NDA Coaching in Dehradun, provides comprehensive preparation programs designed to help aspirants clear NDA on their first attempt.
Key Highlights of Training at Indian Defence Institute:
Experienced Faculty: Learn from subject specialists, senior academics, and ex-defense officers with proven track records in NDA preparation.
Integrated Written + SSB Coaching: Comprehensive coverage of written exam modules combined with continuous personality development, public speaking, and OLQ (Officer-Like Qualities) training.
Dedicated GTO Ground: Outdoor physical training and obstacle coursing on standard GTO tracks to build physical fitness and group task coordination.
Regular Mock Tests & Analysis: Exam-pattern mock tests with personalized feedback to track speed, accuracy, and subject-wise score trends.
Disciplined Hostel & Study Environment: Comprehensive boarding facilities offering a structured routine, physical fitness drills, and focused study hours.
To start preparing early for the NDA 1 2027 Notification, join Indian Defence Institute—the Best NDA Coaching in Dehradun—and take the first step toward a career in the Indian Armed Forces.
Get Free Counselling