What religion, Bhagavad Gita is a holy book?
Bhagavad Gita is a practical spiritual book. It is a constituent of the Sanatana Dharma tradition. Gita discusses and synthesizes the three dominant trends in Hinduism: enlightenment-based renunciation, dharma-based householder life, and devotion-based theism. According to Deutsch and Dalvi, the Bhagavad Gita attempts "to forge a harmony" between these three paths.