Gayatri Upasana Rahasya is a comprehensive spiritual guide focused on the profound practice and inner meaning of Gayatri Upasana (worship of the Gayatri Mantra).Authored by Pt. Ramesh Chandra Sharma, the book delves into traditional Sanskrit and Hindi teachings and details the deeper mysteries behind chanting and meditating on the Gayatri Mantra.With around 628 pages and illustrations, it serves as both a scholarly resource and a practical manual for spiritual aspirants.The text explains historical, ritualistic, and philosophical aspects of Gayatri worship — blending devotional insights with ritual guidance for practitioners.Designed for serious students of Vedic and mantra sadhana, it aims to deepen one’s understanding and devotion while uncovering the “rahasya” (secrets) of this revered mantra tradition.