"Yoga Rahasya" (Secrets of Yoga) is a treatise on yoga philosophy, spirituality, and practice written by Sri Nathamuni. The text is considered a classic of yoga literature and provides insights into the inner workings of the mind, the nature of the self, and the path to spiritual liberation.

("The Secrets of Yoga") is a seminal 9th-century text attributed to Sri Nathamuni , a revered saint of the Sri Vaishnava tradition. Once thought to be lost for centuries, it was famously rediscovered and revived in the early 20th century by T. Krishnamacharya , often called the "Father of Modern Yoga".

, was famously recovered and revitalized by the "father of modern yoga," . While finding a single, officially sanctioned "free" PDF can be difficult due to copyright held by the Krishnamacharya Yoga Mandiram (KYM), several digital copies and study resources are available online. Digital Versions and Downloads

The text is highly regarded for its practical approach to yoga and its focus on individual needs: