Chamatkari Mantra Sadhna is a specialized spiritual guide authored by the renowned scholar Tantrik Bahal (Shashi Mohan Bahal) and published by Randheer Prakashan. This book explores the profound \\\"Science of Sound,\\\" illustrating how the systematic pronunciation of mantras serves as a physical and spiritual exercise to activate supernatural energies. It provides readers with authentic methods for attaining Mantra Siddhi and unlocking the hidden mysteries of ancient Vedic and Tantric traditions. The text focuses on the power of the Omkar (Om) vibration, offering practical rituals to remove sorrows, enhance spiritual consciousness, and achieve worldly success. Spanning approximately 160 pages, it serves as a comprehensive manual for devotees seeking health, peace, and divine transformation through the discipline of sacred chanting.