This document provides an overview of the history of India from prehistoric times to the ancient period. It discusses the Stone Age periods (Paleolithic, Mesolithic, Neolithic) and the tools and sites dating to these periods. The Chalcolithic age which involved the use of both stone and copper is also mentioned. Key events of ancient Indian history discussed include the Indus Valley Civilization, Vedic period, rise of Mahajanapadas, Buddhism, Mauryan Empire, Gupta Empire. Periodization of Indian history into Ancient, Medieval and Modern periods is also briefly covered.