NDA vs CDS vs AFCAT: Eligibility, Salary & Career Comparison (2026)

Introduction

Choosing the right defence exam is one of the biggest decisions for aspirants aiming to join the Indian Armed Forces. Many students often get confused between NDA, CDS, and AFCAT—three of the most popular entry routes. If you are wondering which defence exam is best or trying to understand the difference between NDA, CDS, and AFCAT, this complete guide will help you make the right choice based on your goals, eligibility, and career plans.

Overview of NDA, CDS & AFCAT

Each exam offers a unique entry path into the defence forces:

NDA (National Defence Academy): Entry after 12th for Army, Navy, and Air Force
CDS (Combined Defence Services): Entry after graduation for IMA, INA, OTA, AFA
AFCAT (Air Force Common Admission Test): Entry into Indian Air Force (Flying & Ground Duty branches)

👉 The right choice depends on your current qualification and career goals.

Eligibility Comparison

Exam	Qualification	Gender	Branches
NDA	12th Pass (PCM for Air Force/Navy)	Male & Female	Army, Navy, Air Force
CDS	Graduate	Male & Female	IMA, INA, OTA, AFA
AFCAT	Graduate (with specific criteria)	Male & Female	Air Force Only

Age Limit Comparison

NDA: 16.5 to 19.5 years
CDS: 19 to 25 years (varies by academy)
AFCAT: 20 to 26 years

👉 NDA is ideal for students who want to start early after 12th, while CDS and AFCAT are for graduates.

Selection Process (SSB Interview Focus)

All three exams follow a multi-stage selection process:

Written Examination
SSB Interview (5-Day Process)
Medical Examination

SSB Interview Includes:

Day 1: Screening Test
Day 2–4: Psychology + GTO Tasks
Day 5: Personal Interview & Conference

👉 Clearing SSB is crucial for final selection in all defence entries.

Salary & Career Growth

All three entries offer attractive salary and career opportunities:

Starting Salary: ₹56,100 (7th Pay Commission)
Additional allowances (HRA, transport, field allowance)
Career growth up to top ranks in Armed Forces

👉 Salary is almost similar across NDA, CDS, and AFCAT—the difference lies in entry level and career timeline.

Which Defence Exam Should YOU Choose?

Your choice depends on your current stage:

After 12th: Choose NDA for early entry and long-term career growth
After Graduation: Choose CDS for Army/Navy/Air Force options
Air Force Specific Career: Choose AFCAT

👉 If your goal is to become an officer at the earliest age, NDA is the best option.

Why Start Early with LWS?

The LWS NDA Foundation Program helps students prepare from an early stage with a structured approach:

Integrated schooling + NDA preparation
Dedicated SSB training
Experienced defence mentors
Proven selection record

Conclusion

Understanding the difference between NDA, CDS, and AFCAT is essential to choosing the right defence career path. Each exam has its own advantages, but starting early with NDA provides a strong edge.

Start Your Defence Journey Today

If you are serious about joining the Armed Forces, now is the right time to begin your preparation. Join LWS and take your first step toward becoming a future officer.