Your Knowledge Base For Defence Exams
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Exam Guides
Your complete roadmap to defence exams – eligibility, exam pattern, syllabus, cut-offs, and selection process explained with clarity for every defence aspirant.
Build Strictly Around Defence Exams Syllabus
All content on OGCDDA is meticulously mapped to the official Defence Exam syllabi (UPSC NDA/NA, CDS, OTA, AFCAT). We focus exclusively on concept clarity, relevance, and depth, ensuring aspirants study only what is required and understand why it matters.
Popular Topics
Curated topics based on frequently asked questions and official defence exam trends.
Resources
Curated topics based on frequently asked questions and official defence exam trends.
Useful Tools
Curated tools for aspirants preparing for defence exams