This test book is designed to meet the requirement of the student of undergraduate engineering student of various branches. This book is also useful for industry which is depends on automation. This book is totally written on SCADA system. Industrial automation engineers have always drawn new technologies and implemented original or enhanced versions to meet their requirement .As the range of technology diversifies the demand on the innovative ability of these Engineers has increased. This book is very important for Electrical, Electronics B. Tech student. This book comprises of various realistic picture in each chapter to give the real feel of the student to the reader for better understanding and practical.