Concept:The Mahabharata is an ancient Indian epic attributed to the sage Ved Vyas.Explanation:It describes the Kurukshetra war between the Kauravas and the Pandavas.The war lasted 18 days.The epic contains about 100,000 verses.It is divided into 18 parvas, with Harivamsa as a supplement.The Bhagavad Gita forms part of the Bhishma Parvan.Answer:Ved Vyas