Storage Classes in C – auto, static, extern, register (Lifetime & Scope)

Structures in C – Struct with Examples (Student, Product, Device Data)

Pointers with Arrays, Strings & Functions – Real Use Cases

Pointers in C – Step-by-Step Visual Explanation for Beginners

Call by Value vs Call by Reference – Simple Pointer Examples in Tamil

Functions in C – User Defined Functions, Arguments, Return Types

Unions & Enums in C – Where and Why to Use Them?

Strings in C – char Array, gets(), puts(), String Functions (strlen, strcpy, etc.)

2D Arrays in C – Tables, Matrices & Small Mini-Projects

Arrays in C – 1D Array Basics with Practical Examples (Marks, Bills, Readings)

Break, Continue & goto in C – When to Use and When to Avoid?

Loops in C – for, while, do-while Complete Guide (Patterns & Practice)