Programming in C A Practical Approach by Ajay Mittal..This book provides a comprehensive and easy-to-understand introduction to the C programming language. It covers all core concepts such as data types, operators, control statements, functions, arrays, pointers, structures, file handling, and dynamic memory allocation.

Written in a clear, student-friendly style, it’s widely used in B.Tech, BCA, and Diploma courses across India especially under AKTU and other university syllabuses.

[Second hand]