Program for different levels inheritance is given here

 #include <iostream>

#include <string>

using namespace std;

class College{

      public:

      int Roll_no;

      string Name, Department;

      College(){

            cout<<"This is MMMUT Gorakhpur"<<endl;

      }

};

class student:public College{

      public:

      student(int R, string n, string d){

            Roll_no = R;

            Name = n;

            Department = d;

      }

      void display(){

            cout<<"Student Name is: "<<Name<<endl<<"Roll No: "<<Roll_no<<endl<<"Department: "<<Department<<endl;

      }

      

};

int main()

{

    student stu1(2021071042, "Vaibhav Yadav", "IT");

    stu1.display();

    student stu2(2021071060, "Ayush Verma", "IT");

    stu2.display();

    student stu3(2021071052, "Anurag Kumar Singh", "IT");

    stu3.display();

//     student stu;

    return 0;

}