This book includes various concepts of Data Structures such as stacks, queues, linked lists, trees, graphs, and searching and sorting techniques in a systematic manner which makes the study of data structures much easier. A new approach to learning the programming skills is discussed in detail with the help of appropriate examples. The detailed design aspects for developing a program in a systematic way using simple language along with programs have been covered so that any student can understand the subject very well. This book is written as a text consisting of numerous examples, problems and their implementation details. Moreover, the chapters are discussed well in a simple language with figures to give an illustrated study of this subject systematically. All the programs in this text book have been tested thoroughly and debugged. The book provides advanced C concepts and programming techniques along with data structures in a systematic manner and makes the study of "Data Structures" much easier, to meet the complete requirement of the curriculum of "Data structures using C". A new approach to learn the programming skills is discussed in detail with the help of appropriate examples. The prior knowledge of C language is required to read and understand this book.