When it comes to joining the Indian Armed Forces, two of the most prestigious exams conducted by UPSC are the CDS (Combined Defence Services) Exam and the NDA (National Defence Academy) Exam. While both pave the way to serve the nation with honor, they differ in eligibility, exam pattern, career opportunities, and training.
In this guide, we will explore the key differences between CDS and NDA exams, so that aspirants can make an informed choice. If you’re preparing for either of these, institutes like Victor Growth can guide you with the right strategy to crack them in the first attempt.
Overview of CDS Exam
The CDS Exam is conducted twice a year by UPSC for graduates who wish to join the Indian Army, Navy, Air Force, and OTA (Officers Training Academy).
Eligibility: Graduates (varies by wing)
Exam Level: After graduation
Selection Process: Written exam + SSB Interview + Medical Exam
Age Limit: 19–25 years (depending on academy)
Aim: To select candidates for permanent/short service commission.
Overview of NDA Exam
The NDA Exam is conducted for candidates who have completed their 10+2 (12th class) and wish to join the Indian Army, Navy, or Air Force.
Eligibility: 10+2 pass (Science required for Air Force & Navy)
Exam Level: After Class 12
Selection Process: Written exam + SSB Interview + Medical Exam
Age Limit: 16.5–19.5 years
Aim: To train cadets at National Defence Academy, Khadakwasla before commissioning.
CDS vs NDA – Key Differences Every Aspirant Must Know
| Criteria | CDS Exam | NDA Exam |
|---|---|---|
| Conducted By | UPSC | UPSC |
| Educational Qualification | Graduate (varies by service) | 10+2 (12th pass) |
| Age Limit | 19–25 years | 16.5–19.5 years |
| Exam Level | Post-graduation entry | Post-12th entry |
| For Whom | Candidates who wish to join after graduation | Candidates who wish to join after 12th |
| Academies | IMA, INA, AFA, OTA | NDA (then IMA, INA, AFA) |
| Gender | Male & Female (for CDS) | Male & Female (for NDA since 2021) |
| Career Start | Officer Training Academy/Direct commissioning | NDA training followed by service academy |
| Difficulty Level | Moderate to tough (graduate level) | Moderate (12th standard level) |
| Subjects | English, GK, Mathematics | Mathematics, General Ability Test |
| Focus Area | Officer-level entry | Cadet-level training |
Which Exam Should You Choose?
Choose NDA if you want to start your military career right after 12th.
Choose CDS if you want to complete graduation first and then join the forces as an officer.
Both lead to prestigious officer ranks in the Armed Forces, but your decision should depend on age, educational qualifications, and career goals.
How Victor Growth Helps in CDS & NDA Preparation
At Victor Growth, we provide structured guidance and mentorship for both NDA and CDS aspirants.
Expert Faculty: Specialized trainers for English, GK, and Mathematics.
Tailored Strategies: Separate study plans for NDA (12th level) and CDS (graduate level).
Current Affairs Capsules: Daily updates to strengthen GK.
Mock Tests & PYQs: Regular practice for accuracy and speed.
SSB Interview Training: Personality development, communication skills, and fitness sessions.
👉 With Victor Growth, aspirants can confidently prepare for both NDA and CDS exams and secure their dream career in the Armed Forces.
FAQs on CDS vs NDA Exam
Q1. Can a candidate apply for both NDA and CDS?
Ans: Yes, if you meet the age and educational eligibility criteria, you can attempt both exams in different stages of your career.
Q2. Which exam is tougher, CDS or NDA?
Ans: CDS is considered tougher since it is of graduate level, while NDA is based on 12th-standard subjects.
Q3. Do NDA and CDS offer the same ranks?
Ans: Ultimately yes, both lead to commissioned officer ranks, but the training academies and pathways differ.
Q4. Can girls apply for NDA and CDS?
Ans: Yes, both exams are open to female candidates (NDA since 2021, CDS always had OTA entry).
Q5. Why join Victor Growth for NDA/CDS coaching?
Ans: Victor Growth provides personalized mentoring, current affairs guidance, and SSB training, making it the ideal institute for aspirants aiming for success in their first attempt.
✅ Conclusion
Both the CDS and NDA exams are golden opportunities for aspirants to serve the nation as commissioned officers. The key difference lies in timing, eligibility, and entry-level. Whether you choose NDA after 12th or CDS after graduation, success depends on discipline, preparation, and guidance. With Victor Growth’s expert coaching, aspirants can achieve their defence dreams with confidence.
