Mantra Rahasya is an extensive spiritual text authored by Yogiraj Yashpal Ji, exploring the profound science and esoteric meanings behind mantras and their applications in spiritual practice. Published by Randhir Prakashan, Haridwar, the book spans 424 pages, presenting ancient wisdom in structured volumes that guide seekers through mantra theory and practice. This work is designed to bridge traditional knowledge with practical sadhana, offering insights into mantra sadhna, spiritual transformation, and the hidden dimensions of sound energy. Written in Hindi (with possible Sanskrit content), it draws on decades of experiential study and aims to support both beginners and advanced practitioners in their inner journey. Mantra Rahasya is appreciated as a resource for those interested in Tantra, mantra shastra, and deeper layers of Indian spiritual heritage, presenting timeless teachings relevant for contemporary seekers.
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