Chamatkarik Yantra Sadhana is a Hindi spiritual guide focused on the ancient practice of yantra sadhana, helping seekers understand and apply sacred yantras for inner transformation and energy activation. Written by Dr. Radhakrishna Shrimali and published by Manoj Publication, the book explores traditional Hindu techniques linked to yantra worship and spiritual empowerment.It offers practical insights into chakra activation and the use of yantras to harness subtle energies for personal growth and well‑being. The content is organized in an accessible way for beginners and experienced practitioners alike, blending ritual, symbolism, and meditation practices. Ideal for readers interested in religion, spirituality, and tantric practices, this book serves as a comprehensive introduction to the mystical aspects of yantra vidya.