diff --git a/.cph/.rough_contest.cpp_c13a02bc6e2422c122e328e79eeddc51.prob b/.cph/.rough_contest.cpp_c13a02bc6e2422c122e328e79eeddc51.prob
deleted file mode 100644
index 48e6108..0000000
--- a/.cph/.rough_contest.cpp_c13a02bc6e2422c122e328e79eeddc51.prob
+++ /dev/null
@@ -1 +0,0 @@
-{"name":"Local: rough_contest","url":"e:\\Programming\\CODING 2.0\\C++\\rough_contest.cpp","tests":[{"id":1689949454352,"input":"7\n5 1\n1 2 4 5 6\n1 2\n10\n8 3\n17 3 1 20 12 5 17 12\n4 2\n2 4 6 8\n5 3\n2 3 19 10 8\n3 4\n1 10 5\n8 1\n8 3 1 4 5 10 7 3","output":""}],"interactive":false,"memoryLimit":1024,"timeLimit":3000,"srcPath":"e:\\Programming\\CODING 2.0\\C++\\rough_contest.cpp","group":"local","local":true}
\ No newline at end of file
diff --git a/constr.cpp b/constr.cpp
new file mode 100644
index 0000000..66e6738
--- /dev/null
+++ b/constr.cpp
@@ -0,0 +1,67 @@
+#include <bits/stdc++.h>
+using namespace std;
+// /*
+// Intrduction of Constructor
+
+// Constructor is a special member function of a class which is used to initialize the objects of its class.
+
+// It is special because its name is the same as the class name.
+
+// It is invoked whenever an object of its associated class is created.
+
+// It is constructor’s responsibility to initialize the object of its class.
+
+// It has no return type, not even void.
+// */
+
+class Student
+{
+
+    int roll;
+    string name;
+    int sem;
+    int total_marks;
+
+public:
+    Student(){
+        cout<<"Default Constructor Called"<<endl;
+    }
+
+    Student(int a,int b,int c){
+        cout<<"The sum of Given Number is : "<<a+b+c<<endl;
+    }
+    Student(int roll1, string name1, int sem1, int total_m)
+    {
+        roll = roll1;
+        name = name1;
+        sem = sem1;
+        total_marks = total_m;
+    }
+    void get_data()
+    {
+        cout << "Roll no. : " << roll << endl;
+        cout << "Name : " << name << endl;
+        cout << "Semester : " << sem << endl;
+        cout << "Total Marks : " << total_marks << endl;
+    }
+
+    ~Student(){
+        cout<<"Destructor is called\n";
+    }
+};
+int main()
+{
+    // Printing by Normal Method
+    Student s1;
+    // s1.set_data(1, "Yash", 3, 100);
+    // s1.get_data();
+
+    // Printing with the help of Constructor
+    Student s2(1, "Yash", 3, 100);
+    // s1.set_data(1, "Yash", 3, 100);
+    s2.get_data();
+
+    return 0;
+}
+
+// E:\Programming\CODING 2.0\C++\constr.cpp
\ No newline at end of file
diff --git a/constr.exe b/constr.exe
new file mode 100644
index 0000000..4699000
Binary files /dev/null and b/constr.exe differ
diff --git a/destructor2.cpp b/destructor2.cpp
new file mode 100644
index 0000000..0cf879a
--- /dev/null
+++ b/destructor2.cpp
@@ -0,0 +1,59 @@
+#include <bits/stdc++.h>
+using namespace std;
+
+//  Creating a class
+
+/*
+Destructor 
+
+It is Just Opposite to Constructor with (~).
+
+It is automatically Invoked when object goes out of scope.
+
+It has No return Type
+
+*/
+class Employee
+{
+    string name;
+    int id;
+    int salary;
+
+public:
+    Employee()
+    {
+        cout << "This is a default constructor" << endl;
+    }
+
+    Employee(int id, int salary, string name)
+    {
+        this->name = name;
+        this->salary = salary;
+        this->id = id;
+    }
+
+    void get_data()
+    {
+        cout << "The name is : " << name << endl;
+        cout << "The Id is : " << id << endl;
+        cout << "The Salary is : " << salary << endl;
+    }
+
+    ~Employee(){
+        cout<<"I'm a Destructor and now I'm called\n";
+    }
+};
+
+// Main Function -> Code Execution Starts here
+int main()
+{
+    // Creating Obj
+    // Class_name obj_name
+    Employee e1(12, 10000, "Yash");
+    e1.get_data();
+
+    Employee e2;
+    Employee e3;
+
+    return 0;
+}
\ No newline at end of file
diff --git a/destructor2.exe b/destructor2.exe
new file mode 100644
index 0000000..061650a
Binary files /dev/null and b/destructor2.exe differ
diff --git a/inheritance2.cpp b/inheritance2.cpp
new file mode 100644
index 0000000..c61ff8f
--- /dev/null
+++ b/inheritance2.cpp
@@ -0,0 +1,64 @@
+#include <bits/stdc++.h>
+using namespace std;
+/*
+class  <derived_class_name> : <access-specifier> <base_class_name>
+{
+        //body
+}
+*/
+//  Single Inheritance
+// Base Class
+class Parent
+{
+public:
+int a;
+int b;
+    void get_data()
+    {
+        cout<<"Enter the value of a and b\n";
+        cin>>a>>b;
+    }
+    void show_data()
+    {
+        cout<<"The value of a is : "<<a<<endl;
+        cout<<"The value of b is : "<<b<<endl;
+    }
+};
+
+
+// Derived Class
+
+//  In Inheritance
+/*
+If you are Inheriting publicly
+-> public member are public
+-> protected member private
+-> private member can never be Inherited
+
+
+If you are Inheriting protected way
+-> public member are public
+-> protected member private
+-> private member can never be Inherited
+
+
+
+*/
+class Child : public Parent{
+    public:
+    void sum(){
+        cout<<"The sum of a and b is : "<<a+b<<endl;
+    }
+};
+
+
+
+int main()
+{
+    Child c1;
+    c1.get_data();
+    c1.show_data();
+    c1.sum();
+    cout<<c1.a<<endl;
+    return 0;
+}
\ No newline at end of file
diff --git a/inheritance2.exe b/inheritance2.exe
new file mode 100644
index 0000000..839b98d
Binary files /dev/null and b/inheritance2.exe differ
diff --git a/linked_list_Insertion.cpp b/linked_list_Insertion.cpp
index 4e1e66d..9a03d23 100644
--- a/linked_list_Insertion.cpp
+++ b/linked_list_Insertion.cpp
@@ -106,7 +106,7 @@ int main()
     insertAtTail(head, 89);
     insertAtTail(head, 189);
     print(head);
-    
+
     insertAtIndex(head, 453, 0);
     print(head);
     if (search(head, 89))
diff --git a/rough1.cpp b/rough1.cpp
new file mode 100644
index 0000000..1e29fad
--- /dev/null
+++ b/rough1.cpp
@@ -0,0 +1,151 @@
+// #include <bits/stdc++.h>
+// using namespace std;
+
+// // Base class - 1
+// class parent1
+// {
+// public:
+//     int num = 10;
+//     string name = "Lokesh";
+
+// };
+
+// // Base Class - 2
+// class parent2
+// {
+// public:
+//     int num1, num2;
+
+// public:
+//     void get_data()
+//     {
+//         cout << "Enter the value of Num1 and Num2 " << endl;
+//         cin >> num1 >> num2;
+//     }
+
+//     void show_data()
+//     {
+//         cout << "The Number1 is : " << num1 << endl;
+//         cout << "The Number2 is : " << num2 << endl;
+//     }
+// };
+
+// // Child/Derived/Sub class
+
+// class Child1 : public parent1, public parent2
+// {
+//     public:
+//     void sumParent2()
+//     {
+//         cout << "The sum of 2 Numbers of Parent2 class is : " << num1 + num2 << endl;
+//     }
+//       void print_data()
+//     {
+//         cout << "The name is : " << name << endl;
+//         cout << "The number is : " << num << endl;
+//     }
+// };
+
+// int main()
+// {
+//     Child1 c1;
+//     c1.print_data();
+
+//     c1.get_data();
+//     c1.show_data();
+
+//     c1.sumParent2();
+//     return 0;
+// }
+
+//  Multilevel Inheritance
+
+// #include <bits/stdc++.h>
+// using namespace std;
+// class Baba
+// {
+//     protected:
+//     int rupya1 = 1000;
+//     int rupya2 = 10000;
+    
+//     Baba(){
+//         cout<<"I'm the constructor of papa's papa class\n";
+//     }
+// };
+
+// class Papa : protected Baba
+// {
+//     public: 
+//     int dollar = 5000;
+//     Papa(){
+//         cout<<"I'm the constructor of papa class\n";
+//     }
+// };
+
+// class hum : public Papa
+// {
+//     public:
+//     hum(){
+//         cout<<"My baba has "<<rupya1<<" "<<rupya2<<" as his salary"<<endl;
+//         cout<<"My papa's salary in dollar is : "<<dollar<<endl;
+//     }
+// };
+// int main()
+// {
+
+//     hum h1;
+
+//     return 0;
+// }
+
+
+
+// Hierarchical Inheritance
+#include <bits/stdc++.h>
+using namespace std;
+
+// Parent class
+class Baba
+{
+    protected:
+    int rupya1 = 1000;
+    int rupya2 = 10000;
+    
+};
+
+//  Child - 1
+class Papa : protected Baba
+{
+    public: 
+    int dollar = 5000;
+    Papa(){
+        cout<<"I'm the constructor of papa class\n";
+    }
+
+    void show_data(){
+        cout<<"My baba has "<<rupya1<<" "<<rupya2<<" as his salary"<<endl;
+        cout<<"My salary in dollars is : "<<dollar<<endl;
+    }
+};
+
+// Child 2
+class hum : public Baba
+{
+    public:
+    hum(){
+        cout<<"My baba has "<<rupya1<<" "<<rupya2<<" as his salary"<<endl;
+    }
+};
+
+// Main Class
+int main()
+{
+    // Child1 Object
+    hum h1;
+
+    // Child2 Object
+    Papa p;
+    p.show_data();
+
+    return 0;
+}
\ No newline at end of file
diff --git a/rough1.exe b/rough1.exe
new file mode 100644
index 0000000..6c44de2
Binary files /dev/null and b/rough1.exe differ
diff --git a/roughs.cpp b/roughs.cpp
new file mode 100644
index 0000000..7706232
--- /dev/null
+++ b/roughs.cpp
@@ -0,0 +1,107 @@
+/*
+Class -> It is a collection of data member and member Functions
+
+Data Member -> Variables(Container to store values/data)
+Ex - int a = 10;
+
+Member Functions -> function(Group of code that perform specific task)
+
+void add(int a,int b){
+    cout<<a+b<<endl;
+}
+
+
+Object -> Real world Entity/ Copy of class
+
+Encapsulation -> Class is an Example of encapsulation
+
+
+
+*/
+
+#include <bits/stdc++.h>
+using namespace std;
+
+// class class_name{
+
+// }
+
+class IRCTC
+{
+    // data member
+private:
+    string name;
+    int id;
+    int salary;
+
+public:
+    // Setter
+    void set_data(string name1, int id1, int salary1)
+    {
+        name = name1;
+        id = id1;
+        salary = salary1;
+    }
+    // Getter
+    void get_data()
+    {
+        cout << "The name is : " << name << endl;
+        cout << "The Id is : " << id << endl;
+        cout << "The salary is : " << salary << endl;
+    }
+    void get_data1()
+    {
+        cout << "The name is : " << name << endl;
+        cout << "The Id is : " << id << endl;  
+    }
+};
+
+// Main function
+int main()
+{
+
+    // Creating Objects
+    // Syntax
+    // Class_name object_name;
+
+    // Obj - 1
+    IRCTC yash;
+    yash.set_data("Yash", 69, 100000);
+    yash.get_data();
+
+
+    cout<<"The size of obj Yash : "<<sizeof(yash)<<endl;
+
+    // Obj - 2
+    IRCTC shubham;
+    shubham.set_data("Shubham", 10, 50000);
+    shubham.get_data();
+
+    // Obj - 3
+    IRCTC Adarsh;
+    Adarsh.set_data("Adarsh", 10, 500000);
+    Adarsh.get_data();
+
+    // Obj - 4
+    IRCTC lokesh;
+    lokesh.set_data("Lokesh", 25, 20000);
+    lokesh.get_data1();
+
+    // Printing the values;
+    // cout<<"\nPrinting the values of Yash\n\n";
+    // yash.print_data();
+
+    // IRCTC Adarsh;
+    // Adarsh.name = "Adarsh";
+    // Adarsh.id = 5;
+    // Adarsh.salary = 100000;
+    // Adarsh.print_data();
+
+    // // Printing the values;
+    // cout<<"\nPrinting the values of Adarsh\n\n";
+    // cout<<Adarsh.name<<endl;
+    // cout<<Adarsh.id<<endl;
+    // cout<<Adarsh.salary<<endl;
+
+    return 0;
+}
\ No newline at end of file
diff --git a/roughs.exe b/roughs.exe
new file mode 100644
index 0000000..082bd34
Binary files /dev/null and b/roughs.exe differ