In the ancient wisdom of Sanatana Dharma, sound is not merely vibration—it is creation, transformation, and transcendence. From the primordial syllable Om to the powerful invocations of the Vedas, mantras have always held a sacred place in Hindu spiritual practice. They are more than chants; they are the bridge between the seeker and the divine, guiding one inward toward self-realization and outward toward universal harmony. Mantra Sādhana is a humble compilation of sacred Hindu mantras, curated with deep reverence and spiritual intent. Each mantra in this collection carries the vibration of centuries of devotion, whispered in temples, chanted in homes, and meditated upon in solitude by sages and seekers alike. Whether it is a mantra for peace, strength, healing, prosperity, or spiritual awakening, this book seeks to serve as a trusted companion for all who walk the path of devotion (bhakti), discipline (sādhana), and inner transformation.