Students of ancient Indian history usually crave for a book, which can give a synoptic version of ancient Indian history, and the aim of the present work to fill this void. Even though standard books on this topic are available in the market, they are not sufficient to provide simple understanding of history of ancient India. The e-book aims to give simple understanding of history of ancient India from the earliest times to ACE 300 till the end of the Mauryan Empire. Basic facts are provided in the book. An interesting aspect of the work is that it has covered various debates concerning the nature of Harappan civilization, state formation, social formation, urbanization, heterodox faiths in the form of Buddhism and Jainism, etc. In addition, the work also comprises summary of each topic. For example, how historians have interpreted facts in different way are presented in an understandable way. The book addresses students of ancient India history, and scholars who are interested to know regarding recent debates in the subject. There is no work, which boasts of providing so many details at a single place.