This book gives a rich collection of C programs. These programs that support the theoretical concepts are given in a large number to help students understand the concepts better. This book will be useful for students of BE, MCA, BCA, MSc, and BSc, which have C programming language as a part of the course. The main aim of this book is to give maximum guidance to the students, faculty and research scholars. The first chapter deals with the fundamental concepts of C language. The second chapter focuses on introduction C programming. The third chapter provides with detailed program on next level to the basic C program. Fourth chapter focuses on C debugging. The fifth chapter deals with the simple C questions and Answers. Sixth chapter deals with the short questions and answers.