Yantra, Mantra, Tantra Aur Rudraksh Ke Chamtkari Rahasya is a Hindi spiritual guide that explores the mystical principles and powerful practices of yantras, mantras, tantra, and the divine significance of rudraksha beads. Authored by C.M. Shrivastva and published by Manoj Publications, this book delves into ancient Indian occult and devotional traditions with practical insights for seekers. It explains how specific rituals and sacred sounds can be used for protection, purification, and to fulfill sincere desires. The text sheds light on the symbolism and usage of yantras in worship and how mantra chanting and tantric procedures support spiritual growth. With a focus on both theory and practice, it becomes a resource for readers interested in Hindu ritual sciences, spiritual empowerment, and the traditional uses of rudraksha beads.