The Garuda Purana is one of 18 Mahapura of texts in Hinduism. It is a part of Vaishnavism literature corpus, primarily centering around Hindu god Vishnu praises all gods. Composed in Sanskrit, the earliest version of the text may have been composed in the first millennium BCE but it was likely expanded and changed over a long period of time. The Garuda Purana text is known in many versions, contains 16000 verses. Its chapters encyclopedically deal with a highly diverse collection of topics. The text contains cosmology, mythology, relationship between gods, ethics, good versus evil, various schools of Hindu philosophies, the theory of Yoga, the theory of "heaven and hell" with "karma and rebirth", ancestral rites and soteriology, rivers and geography, types of minerals and stones, testing methods for gems for their quality, listing of plants and herbs, various diseases and their symptoms, various medicines, aphrodisiacs, prophylactics, Hindu calendar and its basis, astronomy, moon, planets, astrology, architecture, building home, essential features of a Hindu temple, rites of passage, charity and gift making, economy, thrift, duties of a king, politics.