This is a complete Data Structures course covering the entire syllabus of Engineering (Diploma / Degree ) in a simple and systematic manner. The course includes arrays, linked lists, stacks, queues, recursion, trees, graphs, searching, sorting, hashing, and algorithms. Each concept is explained step-by-step using simple examples, diagrams, and practical problems to make learning easier and more effective. Students will learn how different data structures work, where they are used, and how to select the appropriate structure for solving problems. The course also focuses on algorithm analysis, time and space complexity, programming skills, and problem-solving techniques. Regular practice and doubt-solving will help students develop confidence in implementing data structures and algorithms. The class is suitable for college students, beginners, and students preparing for university examinations. The complete syllabus will be covered with proper guidance and practical understanding, helping students build a strong foundation in programming and prepare effectively for academic and technical requirements.