The document provides a history of yoga from pre-vedic to medieval periods in India. It discusses the meaning and importance of yoga, tracing its origins and developments over time. Key periods discussed include the pre-vedic, vedic, epic, sutra, smriti, and medieval eras. Yoga began as various exercises practiced in the Indus Valley civilization during the pre-vedic period. The vedic period saw early concepts of yoga develop. Major texts like the Ramayana, Mahabharata, and Bhagavad Gita featured yoga practices during the epic period. Patanjali codified yoga into its eight limbs in the Yoga Sutras during the sutra