The book, organised in ten chapters, comprehensively presents the concepts pertaining to digital communication in a very simplified manner. Mathematical intricacies of ideas which form the bedrock of digital communication such as sampling, baseband data transmission, information theory, error control coding, and modulation are presented in a style understandable to an undergraduate student. Each and every topic, no matter how simple it seems, is followed by solved examples. Besides, additional information on certain topics are provided in appropriate annexures. Thus, the flow of the topics is not interrupted with unnecessary deviations from the viewpoint of an average student, whereas at the same time, the brighter students can go through these annexures to gain extra knowledge. The book is primarily intended for the undergraduate students of Electronics and Communication Engineering, Electronics and Telecommunication Engineering, and Telecommunication Engineering offered in various Indian universities. The text is also of immense use to the aspirants of AMIE exam and AMIETE exam. HIGHLIGHTS OF THE BOOK Solved problems and exercises at the end of each chapter are provided from practice point of view. Chapter-end references are given for further exploration of several advanced topics touched upon in the text. Numerous figures and tables are included to help grasp the concepts discussed.