Arihant Pathfinder NDA/NA Entrance Exam is a comprehensive preparation book for the National Defence Academy (NDA) and Naval Academy (NA) entrance examinations. Published by Arihant Publications and based on the latest UPSC exam pattern, this guide covers the complete syllabus with detailed topic‑wise theory, concise study notes, and a large bank of practice questions including previous years’ solved papers and MCQs. It helps aspirants build conceptual clarity, improve problem‑solving speed, and gain familiarity with question formats across Mathematics, General Ability (English & General Knowledge/Science) sections.