Yantra Vidhan is a comprehensive Hindi guide that presents 231 different yantras, exploring their traditional designs, uses, and spiritual significance. Authored by Yogiraj Yashpal Ji, the book reflects years of study and research into yantra science and its practical applications for personal growth and wish fulfillment. It explains the underlying principles behind sacred symbols, geometrical forms like circles and triangles, and how they relate to spiritual and material aims. Designed for both beginners and practitioners of yantra sadhana, the book combines ancient insights with clear instructions on how to engage these tools with devotion and understanding. Published by Randheer Prakashan, this work is appreciated as a valuable reference for those interested in tantra, yantra, and related spiritual practices.