Gayatri Mantra Sadhana Avam Upasana by C. M. Srivastava is a spiritual guidebook published by Manoj Publications that delves into the ancient practice and worship of the Gayatri Mantra, one of Hinduism’s most revered Vedic chants. Written in Hindi and spanning around 192 pages, the book explains the philosophical significance of the Gayatri mantra along with its traditional rituals and meditation methods for deeper inner awareness and transformation. It combines scriptural insights, sadhana techniques, and practical upasana (worship) instructions to help practitioners establish a disciplined spiritual routine. The text highlights how disciplined mantra chanting and mindful practice can bring peace, clarity, and spiritual fulfillment in daily life. Ideal for devotees, spiritual seekers, and students of Vedic tradition, this book serves as an accessible introduction to Gayatri mantra sadhana and devotional rituals.