The book is organized in such a way that it covers the practical approaches and syllabus of Big Data Analytics prescribed by different universities and colleges for B.Tech./BE (Data Science), M.Tech./ME (Data Science), MSc. (Big Data Analytics), B.Tech (CSE), B.Tech (IT) and all other branches related to Big Data, ML and AI. This book offers a deep understanding of the essential practical concept of Big Data Analytics, including Hadoop, Spark and Tableau. This book is primarily designed to introduce some of the fundamental concepts with practical approaches of Big Data Analytics for undergraduate and postgraduate students in Data Science, CSE, and IT. The concepts in each chapter are explained coherently and unequivocally. Hence it enables the students to gain knowledge in the practical field of Big Data concepts with ease.