Table of Contents

• What is UPSC CDS?
• UPSC CDS 2025 Syllabus
• Eligibility Criteria for UPSC CDS
• UPSC CDS Attempts
• Preparation Guide for UPSC CDS
• Best Books and Resources for UPSC CDS
• Tips for UPSC CDS Success

What is UPSC CDS?

The UPSC CDS (Combined Defence Services) is a national-level competitive exam conducted by the Union Public Service Commission (UPSC) for recruitment into the Indian Armed Forces. Candidates can join the Army, Navy, and Air Force through this exam after successfully completing the selection process.

UPSC CDS 2025 Syllabus

1. Written Exam

• English: Vocabulary, Grammar, Sentence Completion, and Comprehension.
• General Knowledge: Current Affairs, History, Geography, Polity, Economy, and General Science.
• Elementary Mathematics: Arithmetic, Algebra, Geometry, Trigonometry, and Statistics.

2. SSB Interview

The second phase consists of a Services Selection Board (SSB) interview to assess the personality, intelligence, and suitability of candidates for the armed forces.

Eligibility Criteria for UPSC CDS

• Age Limit: 19-24 years for the Army, 19-22 years for the Navy, and 19-23 years for the Air Force (age relaxations apply for reserved categories).
• Educational Qualifications: A Bachelor's degree from a recognized university for Army; Engineering degree for Navy and Air Force.
• Nationality: Indian citizen or subjects of Nepal/Bhutan.

UPSC CDS Attempts

• General Category: No limit on attempts until the age limit is reached.
• OBC Category: Relaxation in age limit and number of attempts allowed.
• SC/ST Category: Unlimited attempts within the age limit.

Preparation Guide for UPSC CDS

• Understand the Syllabus: Go through each subject thoroughly and note the important topics.
• Mock Tests: Regular practice with mock tests for all three sections: English, General Knowledge, and Mathematics.
• Revision: Revise daily to ensure retention of important concepts.

Best Books and Resources for UPSC CDS

• English: "Objective General English" by S.P. Bakshi.
• General Knowledge: "General Knowledge 2025" by Manohar Pandey.
• Mathematics: "CDS Mathematics" by R.S. Aggarwal.

Tips for UPSC CDS Success

• Consistency: Stick to a study schedule and maintain a disciplined approach.
• Physical Fitness: Engage in regular physical training for the SSB interview stage.
• Stay Updated: Keep up with current affairs and practice reasoning and math regularly.