All About CDS Exam 2025: Key Information Every Candidate Should Know

1. Introduction to CDS Exam 2025

The Union Public Service Commission (UPSC) conducts the highly prestigious Combined Defence Services (CDS) Exam 2025 for candidates aspiring to join the Indian Armed Forces. The test is used to select people for a variety of officer-level roles in the Indian Army, Navy, and Air Force. It is one of the most sought-after exams by those looking to serve in the defense sector.

The CDS Exam 2025 will take place in April and September. It includes a written exam, a physical examination, and an interview with the Services Selection Board (SSB). Successful candidates who clear the written exam are further assessed on their personality, physical fitness, and psychological aptitude during the SSB interview.

2. Eligibility Criteria for CDS Exam 2025

The CDS Exam eligibility criteria 2025 involve the following criteria

The candidate must be either

A citizen of India, or
A subject of Nepal or Bhutan, or
A Tibetan refugee who came to India before January 1, 1962, intending to settle permanently in India, or
A person of Indian origin who has migrated from Pakistan, Sri Lanka, Burma, East African countries, or other countries with the intention of settling permanently in India.

3. Age limit

Indian Military Academy (IMA)	19 to 24 years as of January 1, 2025 (for CDS 1 2025) or July 1, 2025 (for CDS 2 2025)
Indian Naval Academy (INA)	19 to 22 years as of January 1, 2025 (for CDS 1 2025) or July 1, 2025 (for CDS 2 2025)
Air Force Academy (AFA)	20 to 24 years as of January 1, 2025 (for CDS 1 2025) or July 1, 2025 (for CDS 2 2025)
Officers' Training Academy (OTA)	19 to 25 years as of January 1, 2025 (for CDS 1 2025) or July 1, 2025 (for CDS 2 2025)

4. Educational Qualifications

Indian Military Academy (IMA)	A Bachelor’s degree from a recognized university or equivalent
Indian Naval Academy (INA)	A Bachelor’s degree in Engineering from a recognized university or equivalent
Air Force Academy (AFA)	A Bachelor’s degree (with Physics and Mathematics at 10+2 level) from a recognized university or equivalent
Officers' Training Academy (OTA)	A Bachelor’s degree from a recognized university or equivalent

5. CDS Exam 2025: Exam Pattern and Syllabus –

The CDS Exam 2025 follows a specific pattern and syllabus designed to assess candidates’ knowledge, analytical skills, and suitability for a career in the Indian Armed Forces. Understanding the exam pattern and syllabus is important for effective preparation.

Here’s a detailed breakdown of the CDS Exam pattern 2025 –

Written Exam (offline)

Indian Military Academy, Indian Naval Academy and Air Force Academy

Subject	Duration	Maximum Marks
English	2 Hours	100
General Knowledge	2 Hours	100
Elementary Mathematics (Arithmetic, Algebra, Trigonometry, Geometry, Mensuration, Statistics)	2 Hours	100

6. Officers’ Training Academy

Subject	Duration	Maximum Marks
English	2 Hours	100
General Knowledge	2 Hours	100

7. SSB Interview Process

Candidates who qualify in the CDS Exam 2025 written exam are invited for the SSB Interview, which assesses their personality, leadership skills, communication ability, and physical fitness. It consists of two stages (I and II). The marks for IMA, INA, and AFA are 300, while the marks for OTA are 200.

Stage 1	Officer Intelligence Rating (OIR) tests and Picture Perception Description Test (PP&DT)
Stage 2	Interviews, Group Testing Officer Tasks, Psychology Tests, and Conferences

8. Medical Examination

The candidates who possess both excellent physical and mental health are considered medically fit. They should not have any diseases, syndromes, or disabilities that could affect their performance of military duties.

9. Final Merit List

The final merit list for CDS Exam 2025 is prepared by considering the total scores achieved by candidates in both the written examination and their performance in the Service Selection Board (SSB) Interview and Medical Examination.

Those who are successful in getting a spot on the merit list can then be selected and trained further to become officers in the Indian Army, Navy, or Air Force, depending on their inclinations and if they meet the necessary requirements.

10. Application Process for CDS Exam 2025

CDS Application Process 2025 involves a systematic process, starting with understanding eligibility and culminating in successful form submission. UPSC introduced the One Time Registration (OTR) platform for applicants to fill out the application form for any exam under its umbrella. This can be done once in a lifetime and can be filled at any time in a year. Within 7 days of registration on the OTR, the changes can be made.

11. The following processes need to be followed for OTR registration

Go to the official website of UPSC.
Click on the new registration tab.
Fill out the details.
Enter the captcha.
Click on Submit.
On the registered email ID and mobile number, OTP will be sent.
Relogin to your account and reset the password.
Again Login to the account.
Go for the CDS application link.

12. CDS Exam 2025: Admit Card –

A few weeks prior to the exam date, UPSC issues the CDS admit card. The candidates can download it from the UPSC website using a login ID and password. This document serves as a proof of registration and allows entry into the examination hall.

13. Preparation Tips for CDS Exam 2025

Preparing for the CDS Exam 2025 requires a disciplined approach, as it is one of the most competitive exams for entry into the Indian Armed Forces. Here are some effective preparation tips to help you succeed –

Understand the exam pattern and syllabus.
Create a study plan.
Focus on English language skills.
Build general knowledge and awareness.
Strengthen your math fundamentals.
Solve the previous year's question papers and mock tests.
Prepare for the SSB interview.
Time management and regular revision.

14. Conclusion

The CDS Exam 2025 is an excellent opportunity for those aspiring to join the Indian Armed Forces and serve the nation. With a structured exam pattern, clear eligibility criteria, and a comprehensive syllabus, candidates have a well-defined path to prepare effectively. Success in the CDS exam requires a blend of focused preparation, strong foundational knowledge, and a disciplined approach to study and physical fitness.

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