diff --git a/Payroll Management System b/Payroll Management System
new file mode 100644
index 0000000..06e030a
--- /dev/null
+++ b/Payroll Management System	
@@ -0,0 +1,1501 @@
+#include<Windows.h>
+#include <iostream>
+#include <fstream>
+#include <process.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <ctype.h>
+#include <conio.h>
+#include <time.h>
+#include <unistd.h>
+
+#include <dos.h>
+
+using namespace std;
+
+void gotoxy(int x, int y)
+{
+ COORD c = { x, y };
+ SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), c);
+}
+
+
+class LINES
+{
+public:
+ void LINE_HOR(int, int, int, char);
+ void LINE_VER(int, int, int, char);
+ void BOX(int, int, int, int, char);
+ void CLEARUP(void);
+ void CLEARDOWN(void);
+};
+
+
+
+class MENU
+{
+public:
+ void MAIN_MENU(void);
+private:
+ void EDIT_MENU(void);
+ void INTRODUCTION(void);
+};
+
+
+
+class EMPLOYEE
+{
+public:
+ void NEW_EMPLOYEE(void);
+ void MODIFICATION(void);
+ void DELETION(void);
+ void DISPLAY(void);
+ void LIST(void);
+ void SALARY_SLIP(void);
+private:
+ void ADD_RECORD(int, char[], char[], char[], int, int, int, char[], char, char, char, float, float);
+ void MODIFY_RECORD(int, char[], char[], char[], char[], char, char, char, float, float);
+ void DELETE_RECORD(int);
+ int  LASTCODE(void);
+ int  CODEFOUND(int);
+ int  RECORDNO(int);
+ int  FOUND_CODE(int);
+ void DISPLAY_RECORD(int);
+ int  VALID_DATE(int, int, int);
+
+ int   code, dd, mm, yy;
+ char  name[26], address[31], phone[10], desig[16];
+ char  grade, house, convense;
+ float loan, basic;
+};
+
+
+
+void MENU::MAIN_MENU(void)
+{
+ char ch;
+ LINES L;
+ L.CLEARUP();
+ while (1)
+ {
+  system("cls");
+  gotoxy(14, 3);
+  cout << "     C++ Project for Payroll Management System";
+  L.BOX(25, 7, 57, 9, 218);
+  L.BOX(10, 5, 71, 21, 218);
+  L.BOX(11, 6, 70, 20, 219);
+  gotoxy(29, 8);
+  cout << "PAYROLL MANAGEMENT SYSTEM";
+  gotoxy(30, 11);
+  cout << "1: NEW EMPLOYEE";
+  gotoxy(30, 12);
+  cout << "2: DISPLAY EMPLOYEE";
+  gotoxy(30, 13);
+  cout << "3: LIST OF EMPLOYEES";
+  gotoxy(30, 14);
+  cout << "4: SALARY SLIP";
+  gotoxy(30, 15);
+  cout << "5: EDIT";
+  gotoxy(30, 16);
+  cout << "0: QUIT";
+  gotoxy(30, 18);
+  cout << "ENTER YOUR CHOICE :";
+  gotoxy(5, 23);
+
+  ch = _getch();
+  if (ch == 27 || ch == '0')
+   break;
+  else if (ch == '1')
+  {
+   EMPLOYEE E;
+   E.NEW_EMPLOYEE();
+  }
+  else if (ch == '2')
+  {
+   EMPLOYEE E;
+   E.DISPLAY();
+  }
+  else if (ch == '3')
+  {
+   EMPLOYEE E;
+   E.LIST();
+  }
+  else if (ch == '4')
+  {
+   EMPLOYEE E;
+   E.SALARY_SLIP();
+  }
+  else if (ch == '5')
+   EDIT_MENU();
+ }
+ L.CLEARUP();
+}
+
+
+
+void MENU::EDIT_MENU(void)
+{
+ char ch;
+ LINES L;
+ L.CLEARDOWN();
+ while (1)
+ {
+  system("cls");
+  L.BOX(28, 8, 49, 10, 218);
+  L.BOX(10, 5, 71, 21, 218);
+  L.BOX(11, 6, 70, 20, 219);
+  gotoxy(31, 9);
+  cout << "E D I T  M E N U";
+  gotoxy(30, 13);
+  cout << "1: DELETE RECORD";
+  gotoxy(30, 14);
+  cout << "2: MODIFY RECORD";
+  gotoxy(30, 15);
+  cout << "0: EXIT";
+  gotoxy(30, 17);
+  cout << "ENTER YOUR CHOICE :";
+  ch = _getch();
+  if (ch == 27 || ch == '0')
+   break;
+  else if (ch == '1')
+  {
+   EMPLOYEE E;
+   E.DELETION();
+  }
+  else if (ch == '2')
+  {
+   EMPLOYEE E;
+   E.MODIFICATION();
+  }
+ }
+ L.CLEARDOWN();
+}
+
+
+void LINES::LINE_HOR(int column1, int column2, int row, char c)
+{
+ for (column1; column1 <= column2; column1++)
+ {
+  gotoxy(column1, row);
+  cout << c;
+ }
+}
+
+
+
+void LINES::LINE_VER(int row1, int row2, int column, char c)
+{
+ for (row1; row1 <= row2; row1++)
+ {
+  gotoxy(column, row1);
+  cout << c;
+ }
+}
+
+
+
+void LINES::BOX(int column1, int row1, int column2, int row2, char c)
+{
+ char ch = 218;
+ char c1, c2, c3, c4;
+ char l1 = 196, l2 = 179;
+ if (c == ch)
+ {
+  c1 = 218;
+  c2 = 191;
+  c3 = 192;
+  c4 = 217;
+  l1 = 196;
+  l2 = 179;
+ }
+ else
+ {
+  c1 = c;
+  c2 = c;
+  c3 = c;
+  c4 = c;
+  l1 = c;
+  l2 = c;
+ }
+ gotoxy(column1, row1);
+ cout << c1;
+ gotoxy(column2, row1);
+ cout << c2;
+ gotoxy(column1, row2);
+ cout << c3;
+ gotoxy(column2, row2);
+ cout << c4;
+ column1++;
+ column2--;
+ LINE_HOR(column1, column2, row1, l1);
+ LINE_HOR(column1, column2, row2, l1);
+ column1--;
+ column2++;
+ row1++;
+ row2--;
+ LINE_VER(row1, row2, column1, l2);
+ LINE_VER(row1, row2, column2, l2);
+}
+
+
+//**********************************************************
+// THIS FUNCTION CLEAR THE SCREEN LINE BY LINE UPWARD
+//**********************************************************
+
+void LINES::CLEARUP(void)
+{
+ for (int i = 25; i >= 1; i--)
+ {
+  sleep(20);
+  gotoxy(1, i);
+  clreol();
+ }
+}
+
+
+
+void LINES::CLEARDOWN(void)
+{
+ for (int i = 1; i <= 25; i++)
+ {
+  delay(20);
+  gotoxy(1, i);
+  clreol();
+ }
+}
+
+
+//**********************************************************
+// THIS FUNCTION ADDS THE GIVEN DATA IN THE EMPLOYEE'S FILE
+//**********************************************************
+
+void EMPLOYEE::ADD_RECORD(int ecode, char ename[26], char eaddress[31], char ephone[10], int d, int m, int y, char edesig[16], char egrade, char ehouse, char econv, float eloan, float ebasic)
+{
+ fstream file;
+ file.open("EMPLOYEE.DAT");
+ code = ecode;
+ strcpy(name, ename);
+ strcpy(address, eaddress);
+ strcpy(phone, ephone);
+ dd = d;
+ mm = m;
+ yy = y;
+ strcpy(desig, edesig);
+ grade = egrade;
+ house = ehouse;
+ convense = econv;
+ loan = eloan;
+ basic = ebasic;
+ file.write((char *) this, sizeof(EMPLOYEE));
+ file.close();
+}
+
+
+//**********************************************************
+// THIS FUNCTION MODIFY THE GIVEN DATA IN THE
+// EMPLOYEE'S FILE
+//**********************************************************
+
+void EMPLOYEE::MODIFY_RECORD(int ecode, char ename[26], char eaddress[31], char ephone[10], char edesig[16], char egrade, char ehouse, char econv, float eloan, float ebasic)
+{
+ int recno;
+ recno = RECORDNO(ecode);
+ fstream file;
+ file.open("EMPLOYEE.DAT", ios::out | ios::ate);
+ strcpy(name, ename);
+ strcpy(address, eaddress);
+ strcpy(phone, ephone);
+ strcpy(desig, edesig);
+ grade = egrade;
+ house = ehouse;
+ convense = econv;
+ loan = eloan;
+ basic = ebasic;
+ int location;
+ location = (recno - 1) * sizeof(EMPLOYEE);
+ file.seekp(location);
+ file.write((char *) this, sizeof(EMPLOYEE));
+ file.close();
+}
+
+
+//**********************************************************
+// THIS FUNCTION DELETE THE RECORD IN THE EMPLOYEE FILE
+// FOR THE GIVEN EMPLOYEE CODE
+//**********************************************************
+
+void EMPLOYEE::DELETE_RECORD(int ecode)
+{
+ fstream file;
+ file.open("EMPLOYEE.DAT", ios::in);
+ fstream temp;
+ temp.open("temp.dat", ios::out);
+ file.seekg(0, ios::beg);
+ while (!file.eof())
+ {
+  file.read((char *) this, sizeof(EMPLOYEE));
+  if (file.eof())
+   break;
+  if (code != ecode)
+   temp.write((char *) this, sizeof(EMPLOYEE));
+ }
+ file.close();
+ temp.close();
+ file.open("EMPLOYEE.DAT", ios::out);
+ temp.open("temp.dat", ios::in);
+ temp.seekg(0, ios::beg);
+ while (!temp.eof())
+ {
+  temp.read((char *) this, sizeof(EMPLOYEE));
+  if (temp.eof())
+   break;
+  file.write((char *) this, sizeof(EMPLOYEE));
+ }
+ file.close();
+ temp.close();
+}
+
+
+//**********************************************************
+// THIS FUNCTION RETURNS THE LAST EMPLOYEE'S CODE
+//**********************************************************
+
+int EMPLOYEE::LASTCODE(void)
+{
+ fstream file;
+ file.open("EMPLOYEE.DAT", ios::in);
+ file.seekg(0, ios::beg);
+ int count = 0;
+ while (file.read((char *) this, sizeof(EMPLOYEE)))
+  count = code;
+ file.close();
+ return count;
+}
+
+
+//**********************************************************
+// THIS FUNCTION RETURNS 0 IF THE GIVEN CODE NOT FOUND
+//**********************************************************
+
+int EMPLOYEE::FOUND_CODE(int ecode)
+{
+ fstream file;
+ file.open("EMPLOYEE.DAT", ios::in);
+ file.seekg(0, ios::beg);
+ int found = 0;
+ while (file.read((char *) this, sizeof(EMPLOYEE)))
+ {
+  if (code == ecode)
+  {
+   found = 1;
+   break;
+  }
+ }
+ file.close();
+ return found;
+}
+
+
+//**********************************************************
+// THIS FUNCTION RETURNS RECORD NO. OF THE GIVEN CODE
+//**********************************************************
+
+int EMPLOYEE::RECORDNO(int ecode)
+{
+ fstream file;
+ file.open("EMPLOYEE.DAT", ios::in);
+ file.seekg(0, ios::beg);
+ int recno = 0;
+ while (file.read((char *) this, sizeof(EMPLOYEE)))
+ {
+  recno++;
+  if (code == ecode)
+   break;
+ }
+ file.close();
+ return recno;
+}
+
+
+//**********************************************************
+// THIS FUNCTION DISPLAYS THE LIST OF THE EMPLOYEES
+//**********************************************************
+
+void EMPLOYEE::LIST(void)
+{
+ system("cls");
+ int row = 6, found = 0, flag = 0;
+ char ch;
+ gotoxy(31, 2);
+ cout << "LIST OF EMPLOYEES";
+ gotoxy(30, 3);
+ cout << "~~~~~~~~~~~~~~~~~~~";
+ gotoxy(1, 4);
+ cout << "CODE NAME                     PHONE    DOJ         DESIGNATION    GRADE  SALARY";
+ gotoxy(1, 5);
+ cout << "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~";
+ fstream file;
+ file.open("EMPLOYEE.DAT", ios::in);
+ file.seekg(0, ios::beg);
+ while (file.read((char *) this, sizeof(EMPLOYEE)))
+ {
+  flag = 0;
+  delay(20);
+  found = 1;
+  gotoxy(2, row);
+  cout << code;
+  gotoxy(6, row);
+  cout << name;
+  gotoxy(31, row);
+  cout << phone;
+  gotoxy(40, row);
+  cout << dd << "/" << mm << "/" << yy;
+  gotoxy(52, row);
+  cout << desig;
+  gotoxy(69, row);
+  cout << grade;
+  if (grade != 'E')
+  {
+   gotoxy(74, row);
+   cout << basic;
+  }
+  else
+  {
+   gotoxy(76, row);
+   cout << "-";
+  }
+  if (row == 23)
+  {
+   flag = 1;
+   row = 6;
+   gotoxy(1, 25);
+   cout << "Press any key to continue or Press <ESC> to exit";
+   ch = getch();
+   if (ch == 27)
+    break;
+   system("cls");
+   gotoxy(31, 2);
+   cout << "LIST OF EMPLOYEES";
+   gotoxy(30, 3);
+   cout << "~~~~~~~~~~~~~~~~~~~";
+   gotoxy(1, 4);
+   cout << "CODE NAME                     PHONE    DOJ         DESIGNATION    GRADE  SALARY";
+   gotoxy(1, 5);
+   cout << "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~";
+  }
+  else
+   row++;
+ }
+ if (!found)
+ {
+  gotoxy(5, 10);
+  cout << "\7Records not found";
+ }
+ if (!flag)
+ {
+  gotoxy(1, 25);
+  cout << "Press any key to continue...";
+  getche();
+ }
+ file.close();
+}
+
+
+//**********************************************************
+// THIS FUNCTION DISPLAYS THE RECORD OF THE EMPLOYEES
+//**********************************************************
+
+void EMPLOYEE::DISPLAY_RECORD(int ecode)
+{
+ fstream file;
+ file.open("EMPLOYEE.DAT", ios::in);
+ file.seekg(0, ios::beg);
+ while (file.read((char *) this, sizeof(EMPLOYEE)))
+ {
+  if (code == ecode)
+  {
+   gotoxy(5, 5);
+   cout << "Employee Code # " << code;
+   gotoxy(5, 6);
+   cout << "~~~~~~~~~~~~~";
+   gotoxy(5, 7);
+   cout << "Name         : " << name;
+   gotoxy(5, 8);
+   cout << "Address      : " << address;
+   gotoxy(5, 9);
+   cout << "Phone no.    : " << phone;
+   gotoxy(5, 11);
+   cout << "JOINING DATE";
+   gotoxy(5, 12);
+   cout << "~~~~~~~~~~~~";
+   gotoxy(5, 13);
+   cout << "Day   : " << dd;
+   gotoxy(5, 14);
+   cout << "Month : " << mm;
+   gotoxy(5, 15);
+   cout << "Year  : " << yy;
+   gotoxy(5, 17);
+   cout << "Designation  : " << desig;
+   gotoxy(5, 18);
+   cout << "Grade        : " << grade;
+   if (grade != 'E')
+   {
+    gotoxy(5, 19);
+    cout << "House (y/n)    : " << house;
+    gotoxy(5, 20);
+    cout << "Convense (y/n) : " << convense;
+    gotoxy(5, 22);
+    cout << "Basic Salary   : " << basic;
+   }
+   gotoxy(5, 21);
+   cout << "Loan           : " << loan;
+  }
+ }
+ file.close();
+}
+
+
+//**********************************************************
+// THIS FUNCTION GIVE DATA TO ADD IN THE FILE
+//**********************************************************
+
+void EMPLOYEE::NEW_EMPLOYEE(void)
+{
+ system("cls");
+ char  ch, egrade, ehouse = 'N', econv = 'N';
+ char  ename[26], eaddress[31], ephone[10], edesig[16], t1[10];
+ float t2 = 0.0, eloan = 0.0, ebasic = 0.0;
+ int   d, m, y, ecode, valid;
+ gotoxy(72, 2);
+ cout << "<0>=EXIT";
+ gotoxy(28, 3);
+ cout << "ADDITION OF NEW EMPLOYEE";
+ gotoxy(5, 5);
+ cout << "Employee Code # ";
+ gotoxy(5, 6);
+ cout << "~~~~~~~~~~~~~";
+ gotoxy(5, 7);
+ cout << "Name         : ";
+ gotoxy(5, 8);
+ cout << "Address      : ";
+ gotoxy(5, 9);
+ cout << "Phone no.    : ";
+ gotoxy(5, 11);
+ cout << "JOINING DATE";
+ gotoxy(5, 12);
+ cout << "~~~~~~~~~~~~";
+ gotoxy(5, 13);
+ cout << "Day   : ";
+ gotoxy(5, 14);
+ cout << "Month : ";
+ gotoxy(5, 15);
+ cout << "Year  : ";
+ gotoxy(5, 17);
+ cout << "Designation  : ";
+ gotoxy(5, 18);
+ cout << "Grade        : ";
+ gotoxy(5, 21);
+ cout << "Loan           : ";
+
+ ecode = LASTCODE() + 1;
+ if (ecode == 1)
+ {
+  ADD_RECORD(ecode, "null", "null", "null", 0, 0, 0, "null", 'n', 'n', 'n', 0.0, 0.0);
+  DELETE_RECORD(ecode);
+ }
+ gotoxy(21, 5);
+ cout << ecode;
+ do
+ {
+  valid = 1;
+  gotoxy(5, 25);
+  clreol();
+  cout << "Enter the name of the Employee";
+  gotoxy(20, 7);
+  clreol();
+  gets(ename);
+  strupr(ename);
+  if (ename[0] == '0')
+   return;
+  if (strlen(ename) < 1 || strlen(ename) > 25)
+  {
+   valid = 0;
+   gotoxy(5, 25);
+   clreol();
+   cout << "\7Enter correctly (Range: 1..25)";
+   getch();
+  }
+ } while (!valid);
+ do
+ {
+  valid = 1;
+  gotoxy(5, 25);
+  clreol();
+  cout << "Enter Address of the Employee";
+  gotoxy(20, 8);
+  clreol();
+  gets(eaddress);
+  strupr(eaddress);
+  if (eaddress[0] == '0')
+   return;
+  if (strlen(eaddress) < 1 || strlen(eaddress) > 30)
+  {
+   valid = 0;
+   gotoxy(5, 25);
+   clreol();
+   cout << "\7Enter correctly (Range: 1..30)";
+   getch();
+  }
+ } while (!valid);
+ do
+ {
+  valid = 1;
+  gotoxy(5, 25);
+  clreol();
+  cout << "Enter Phone no. of the Employee or Press <ENTER> for none";
+  gotoxy(20, 9);
+  clreol();
+  gets(ephone);
+  if (ephone[0] == '0')
+   return;
+  if ((strlen(ephone) < 7 && strlen(ephone) > 0) || (strlen(ephone) > 9))
+  {
+   valid = 0;
+   gotoxy(5, 25);
+   clreol();
+   cout << "\7Enter correctly";
+   getch();
+  }
+ } while (!valid);
+ if (strlen(ephone) == 0)
+  strcpy(ephone, "-");
+ char tday[3], tmonth[3], tyear[5];
+ int td;
+ do
+ {
+  valid = 1;
+  do
+  {
+   gotoxy(5, 25);
+   clreol();
+   cout << "ENTER DAY OF JOINING";
+   gotoxy(13, 13);
+   clreol();
+   gets(tday);
+   td = atoi(tday);
+   d = td;
+   if (tday[0] == '0')
+    return;
+  } while (d == 0);
+  do
+  {
+   gotoxy(5, 25);
+   clreol();
+   cout << "ENTER MONTH OF JOINING";
+   gotoxy(13, 14);
+   clreol();
+   gets(tmonth);
+   td = atoi(tmonth);
+   m = td;
+   if (tmonth[0] == '0')
+    return;
+  } while (m == 0);
+  do
+  {
+   gotoxy(5, 25);
+   clreol();
+   cout << "ENTER YEAR OF JOINING";
+   gotoxy(13, 15);
+   clreol();
+   gets(tyear);
+   td = atoi(tyear);
+   y = td;
+   if (tyear[0] == '0')
+    return;
+  } while (y == 0);
+  if (d>31 || d<1)
+   valid = 0;
+  else if (((y % 4) != 0 && m == 2 && d>28) || ((y % 4) == 0 && m == 2 && d>29))
+   valid = 0;
+  else if ((m == 4 || m == 6 || m == 9 || m == 11) && d>30)
+   valid = 0;
+  else if (y<1990 || y>2020)
+   valid = 0;
+  if (!valid)
+  {
+   valid = 0;
+   gotoxy(5, 25);
+   clreol();
+   cout << "\7Enter correctly";
+   getch();
+   gotoxy(13, 14);
+   clreol();
+   gotoxy(13, 15);
+   clreol();
+  }
+ } while (!valid);
+ do
+ {
+  valid = 1;
+  gotoxy(5, 25);
+  clreol();
+  cout << "Enter Designation of the Employee";
+  gotoxy(20, 17);
+  clreol();
+  gets(edesig);
+  strupr(edesig);
+  if (edesig[0] == '0')
+   return;
+  if (strlen(edesig) < 1 || strlen(edesig) > 15)
+  {
+   valid = 0;
+   gotoxy(5, 25);
+   clreol();
+   cout << "\7Enter correctly (Range: 1..15)";
+   getch();
+  }
+ } while (!valid);
+ do
+ {
+  gotoxy(5, 25);
+  clreol();
+  cout << "Enter Grade of the Employee (A,B,C,D,E)";
+  gotoxy(20, 18);
+  clreol();
+  egrade = getche();
+  egrade = toupper(egrade);
+  if (egrade == '0')
+   return;
+ } while (egrade < 'A' || egrade > 'E');
+ if (egrade != 'E')
+ {
+  gotoxy(5, 19);
+  cout << "House (y/n)    : ";
+  gotoxy(5, 20);
+  cout << "Convense (y/n) : ";
+  gotoxy(5, 22);
+  cout << "Basic Salary   : ";
+  do
+  {
+   gotoxy(5, 25);
+   clreol();
+   cout << "ENTER IF HOUSE ALLOWANCE IS ALLOTED TO EMPLOYEE OR NOT";
+   gotoxy(22, 19);
+   clreol();
+   ehouse = getche();
+   ehouse = toupper(ehouse);
+   if (ehouse == '0')
+    return;
+  } while (ehouse != 'Y' && ehouse != 'N');
+  do
+  {
+   gotoxy(5, 25);
+   clreol();
+   cout << "ENTER IF CONVENCE ALLOWANCE IS ALLOTED TO EMPLOYEE OR NOT";
+   gotoxy(22, 20);
+   clreol();
+   econv = getche();
+   econv = toupper(econv);
+   if (econv == '0')
+    return;
+  } while (econv != 'Y' && econv != 'N');
+ }
+ do
+ {
+  valid = 1;
+  gotoxy(5, 25);
+  clreol();
+  cout << "ENTER LOAN AMOUNT IF ISSUED";
+  gotoxy(22, 21);
+  clreol();
+  gets(t1);
+  t2 = atof(t1);
+  eloan = t2;
+  if (eloan > 50000)
+  {
+   valid = 0;
+   gotoxy(5, 25);
+   clreol();
+   cout << "\7SHOULD NOT GREATER THAN 50000";
+   getch();
+  }
+ } while (!valid);
+ if (egrade != 'E')
+ {
+  do
+  {
+   valid = 1;
+   gotoxy(5, 25);
+   clreol();
+   cout << "ENTER BASIC SALARY OF THE EMPLOYEE";
+   gotoxy(22, 22);
+   clreol();
+   gets(t1);
+   t2 = atof(t1);
+   ebasic = t2;
+   if (t1[0] == '0')
+    return;
+   if (ebasic > 50000)
+   {
+    valid = 0;
+    gotoxy(5, 25);
+    clreol();
+    cout << "\7SHOULD NOT GREATER THAN 50000";
+    getch();
+   }
+  } while (!valid);
+ }
+ gotoxy(5, 25);
+ clreol();
+ do
+ {
+  gotoxy(5, 24);
+  clreol();
+  cout << "Do you want to save (y/n) ";
+  ch = getche();
+  ch = toupper(ch);
+  if (ch == '0')
+   return;
+ } while (ch != 'Y' && ch != 'N');
+ if (ch == 'N')
+  return;
+ ADD_RECORD(ecode, ename, eaddress, ephone, d, m, y, edesig, egrade, ehouse, econv, eloan, ebasic);
+}
+
+
+//**********************************************************
+// THIS FUNCTION GIVE CODE FOR THE DISPLAY OF THE RECORD
+//**********************************************************
+
+void EMPLOYEE::DISPLAY(void)
+{
+ system("cls");
+ char t1[10];
+ int t2, ecode;
+ gotoxy(72, 2);
+ cout << "<0>=EXIT";
+ gotoxy(5, 5);
+ cout << "Enter code of the Employee  ";
+ gets(t1);
+ t2 = atoi(t1);
+ ecode = t2;
+ if (ecode == 0)
+  return;
+ system("cls");
+ if (!FOUND_CODE(ecode))
+ {
+  gotoxy(5, 5);
+  cout << "\7Record not found";
+  getch();
+  return;
+ }
+ DISPLAY_RECORD(ecode);
+ gotoxy(5, 25);
+ cout << "Press any key to continue...";
+ getch();
+}
+
+
+//**********************************************************
+// THIS FUNCTION GIVE DATA FOR THE MODIFICATION OF THE
+// EMPLOYEE RECORD
+//**********************************************************
+
+void EMPLOYEE::MODIFICATION(void)
+{
+ system("cls");
+ char  ch, egrade, ehouse = 'N', econv = 'N';
+ char  ename[26], eaddress[31], ephone[10], edesig[16], t1[10];
+ float t2 = 0.0, eloan = 0.0, ebasic = 0.0;
+ int   ecode, valid;
+ gotoxy(72, 2);
+ cout << "<0>=EXIT";
+ gotoxy(5, 5);
+ cout << "Enter code of the Employee  ";
+ gets(t1);
+ t2 = atoi(t1);
+ ecode = t2;
+ if (ecode == 0)
+  return;
+ system("cls");
+ if (!FOUND_CODE(ecode))
+ {
+  gotoxy(5, 5);
+  cout << "\7Record not found";
+  getch();
+  return;
+ }
+ gotoxy(72, 2);
+ cout << "<0>=EXIT";
+ gotoxy(22, 3);
+ cout << "MODIFICATION OF THE EMPLOYEE RECORD";
+ DISPLAY_RECORD(ecode);
+ do
+ {
+  gotoxy(5, 24);
+  clreol();
+  cout << "Do you want to modify this record (y/n) ";
+  ch = getche();
+  ch = toupper(ch);
+  if (ch == '0')
+   return;
+ } while (ch != 'Y' && ch != 'N');
+ if (ch == 'N')
+  return;
+ system("cls");
+ fstream file;
+ file.open("EMPLOYEE.DAT", ios::in);
+ file.seekg(0, ios::beg);
+ while (file.read((char *) this, sizeof(EMPLOYEE)))
+ {
+  if (code == ecode)
+   break;
+ }
+ file.close();
+ gotoxy(5, 5);
+ cout << "Employee Code # " << ecode;
+ gotoxy(5, 6);
+ cout << "~~~~~~~~~~~~~";
+ gotoxy(40, 5);
+ cout << "JOINING DATE : ";
+ gotoxy(40, 6);
+ cout << "~~~~~~~~~~~~~~";
+ gotoxy(55, 5);
+ cout << dd << "/" << mm << "/" << yy;
+ gotoxy(5, 7);
+ cout << "Name         : ";
+ gotoxy(5, 8);
+ cout << "Address      : ";
+ gotoxy(5, 9);
+ cout << "Phone no.    : ";
+ gotoxy(5, 10);
+ cout << "Designation  : ";
+ gotoxy(5, 11);
+ cout << "Grade        : ";
+ gotoxy(5, 14);
+ cout << "Loan           : ";
+ do
+ {
+  valid = 1;
+  gotoxy(5, 25);
+  clreol();
+  cout << "Enter the name of the Employee or <ENTER> FOR NO CHANGE";
+  gotoxy(20, 7);
+  clreol();
+  gets(ename);
+  strupr(ename);
+  if (ename[0] == '0')
+   return;
+  if (strlen(ename) > 25)
+  {
+   valid = 0;
+   gotoxy(5, 25);
+   clreol();
+   cout << "\7Enter correctly (Range: 1..25)";
+   getch();
+  }
+ } while (!valid);
+ if (strlen(ename) == 0)
+ {
+  strcpy(ename, name);
+  gotoxy(20, 7);
+  cout << ename;
+ }
+ do
+ {
+  valid = 1;
+  gotoxy(5, 25);
+  clreol();
+  cout << "Enter Address of the Employee or <ENTER> FOR NO CHANGE";
+  gotoxy(20, 8);
+  clreol();
+  gets(eaddress);
+  strupr(eaddress);
+  if (eaddress[0] == '0')
+   return;
+  if (strlen(eaddress) > 30)
+  {
+   valid = 0;
+   gotoxy(5, 25);
+   clreol();
+   cout << "\7Enter correctly (Range: 1..30)";
+   getch();
+  }
+ } while (!valid);
+ if (strlen(eaddress) == 0)
+ {
+  strcpy(eaddress, address);
+  gotoxy(20, 8);
+  cout << eaddress;
+ }
+ do
+ {
+  valid = 1;
+  gotoxy(5, 25);
+  clreol();
+  cout << "Enter Phone no. of the Employee or or <ENTER> FOR NO CHANGE";
+  gotoxy(20, 9);
+  clreol();
+  gets(ephone);
+  if (ephone[0] == '0')
+   return;
+  if ((strlen(ephone) < 7 && strlen(ephone) > 0) || (strlen(ephone) > 9))
+  {
+   valid = 0;
+   gotoxy(5, 25);
+   clreol();
+   cout << "\7Enter correctly";
+   getch();
+  }
+ } while (!valid);
+ if (strlen(ephone) == 0)
+ {
+  strcpy(ephone, phone);
+  gotoxy(20, 9);
+  cout << ephone;
+ }
+ do
+ {
+  valid = 1;
+  gotoxy(5, 25);
+  clreol();
+  cout << "Enter Designation of the Employee or <ENTER> FOR NO CHANGE";
+  gotoxy(20, 10);
+  clreol();
+  gets(edesig);
+  strupr(edesig);
+  if (edesig[0] == '0')
+   return;
+  if (strlen(edesig) > 15)
+  {
+   valid = 0;
+   gotoxy(5, 25);
+   clreol();
+   cout << "\7Enter correctly (Range: 1..15)";
+   getch();
+  }
+ } while (!valid);
+ if (strlen(edesig) == 0)
+ {
+  strcpy(edesig, desig);
+  gotoxy(20, 10);
+  cout << edesig;
+ }
+ do
+ {
+  gotoxy(5, 25);
+  clreol();
+  cout << "Enter Grade of the Employee (A,B,C,D,E) or <ENTER> FOR NO CHANGE";
+  gotoxy(20, 11);
+  clreol();
+  egrade = getche();
+  egrade = toupper(egrade);
+  if (egrade == '0')
+   return;
+  if (egrade == 13)
+  {
+   egrade = grade;
+   gotoxy(20, 11);
+   cout << grade;
+  }
+ } while (egrade < 'A' || egrade > 'E');
+ if (egrade != 'E')
+ {
+  gotoxy(5, 12);
+  cout << "House (y/n)    : ";
+  gotoxy(5, 13);
+  cout << "Convense (y/n) : ";
+  gotoxy(5, 15);
+  cout << "Basic Salary   : ";
+  do
+  {
+   gotoxy(5, 25);
+   clreol();
+   cout << "ALLOTED HOUSE ALLOWANCE ? or <ENTER> FOR NO CHANGE";
+   gotoxy(22, 12);
+   clreol();
+   ehouse = getche();
+   ehouse = toupper(ehouse);
+   if (ehouse == '0')
+    return;
+   if (ehouse == 13)
+   {
+    ehouse = house;
+    gotoxy(22, 12);
+    cout << ehouse;
+   }
+  } while (ehouse != 'Y' && ehouse != 'N');
+  do
+  {
+   gotoxy(5, 25);
+   clreol();
+   cout << "ALLOTED CONVENCE ALLOWANCE or <ENTER> FOR NO CHANGE";
+   gotoxy(22, 13);
+   clreol();
+   econv = getche();
+   econv = toupper(econv);
+   if (econv == '0')
+    return;
+   if (econv == 13)
+   {
+    econv = convense;
+    gotoxy(22, 13);
+    cout << econv;
+   }
+  } while (econv != 'Y' && econv != 'N');
+ }
+ do
+ {
+  valid = 1;
+  gotoxy(5, 25);
+  clreol();
+  cout << "ENTER LOAN AMOUNT or <ENTER> FOR NO CHANGE";
+  gotoxy(22, 14);
+  clreol();
+  gets(t1);
+  t2 = atof(t1);
+  eloan = t2;
+  if (eloan > 50000)
+  {
+   valid = 0;
+   gotoxy(5, 25);
+   clreol();
+   cout << "\7SHOULD NOT GREATER THAN 50000";
+   getch();
+  }
+ } while (!valid);
+ if (strlen(t1) == 0)
+ {
+  eloan = loan;
+  gotoxy(22, 14);
+  cout << eloan;
+ }
+ if (egrade != 'E')
+ {
+  do
+  {
+   valid = 1;
+   gotoxy(5, 25);
+   clreol();
+   cout << "ENTER BASIC SALARY or <ENTER> FOR NO CHANGE";
+   gotoxy(22, 15);
+   clreol();
+   gets(t1);
+   t2 = atof(t1);
+   ebasic = t2;
+   if (t1[0] == '0')
+    return;
+   if (ebasic > 50000)
+   {
+    valid = 0;
+    gotoxy(5, 25);
+    clreol();
+    cout << "\7SHOULD NOT GREATER THAN 50000";
+    getch();
+   }
+  } while (!valid);
+  if (strlen(t1) == 0)
+  {
+   ebasic = basic;
+   gotoxy(22, 15);
+   cout << ebasic;
+  }
+ }
+ gotoxy(5, 25);
+ clreol();
+ do
+ {
+  gotoxy(5, 18);
+  clreol();
+  cout << "Do you want to save (y/n) ";
+  ch = getche();
+  ch = toupper(ch);
+  if (ch == '0')
+   return;
+ } while (ch != 'Y' && ch != 'N');
+ if (ch == 'N')
+  return;
+ MODIFY_RECORD(ecode, ename, eaddress, ephone, edesig, egrade, ehouse, econv, eloan, ebasic);
+ gotoxy(5, 23);
+ cout << "\7Record Modified";
+ gotoxy(5, 25);
+ cout << "Press any key to continue...";
+ getch();
+}
+
+
+//**********************************************************
+// THIS FUNCTION GIVE CODE NO. FOR THE DELETION OF THE
+// EMPLOYEE RECORD
+//**********************************************************
+
+void EMPLOYEE::DELETION(void)
+{
+ system("cls");
+ char t1[10], ch;
+ int t2, ecode;
+ gotoxy(72, 2);
+ cout << "<0>=EXIT";
+ gotoxy(5, 5);
+ cout << "Enter code of the Employee  ";
+ gets(t1);
+ t2 = atoi(t1);
+ ecode = t2;
+ if (ecode == 0)
+  return;
+ system("cls");
+ if (!FOUND_CODE(ecode))
+ {
+  gotoxy(5, 5);
+  cout << "\7Record not found";
+  getch();
+  return;
+ }
+ gotoxy(72, 2);
+ cout << "<0>=EXIT";
+ gotoxy(24, 3);
+ cout << "DELETION OF THE EMPLOYEE RECORD";
+ DISPLAY_RECORD(ecode);
+ do
+ {
+  gotoxy(5, 24);
+  clreol();
+  cout << "Do you want to delete this record (y/n) ";
+  ch = getche();
+  ch = toupper(ch);
+  if (ch == '0')
+   return;
+ } while (ch != 'Y' && ch != 'N');
+ if (ch == 'N')
+  return;
+ DELETE_RECORD(ecode);
+ LINES L;
+ L.CLEARDOWN();
+ gotoxy(5, 23);
+ cout << "\7Record Deleted";
+ gotoxy(5, 25);
+ cout << "Press any key to continue...";
+ getch();
+}
+
+
+//**********************************************************
+// THIS FUNCTION RETURN 0 IF THE GIVEN DATE IS INVALID
+//**********************************************************
+
+int EMPLOYEE::VALID_DATE(int d1, int m1, int y1)
+{
+ int valid = 1;
+ if (d1>31 || d1<1)
+  valid = 0;
+ else if (((y1 % 4) != 0 && m1 == 2 && d1>28) || ((y1 % 4) == 0 && m1 == 2 && d1>29))
+  valid = 0;
+ else if ((m1 == 4 || m1 == 6 || m1 == 9 || m1 == 11) && d1>30)
+  valid = 0;
+ return valid;
+}
+
+
+//**********************************************************
+// THIS FUNCTION PRINTS THE SALARY SLIP FOR THE EMPLOYEE
+//**********************************************************
+
+void EMPLOYEE::SALARY_SLIP(void)
+{
+ system("cls");
+ char t1[10];
+ int t2, ecode, valid;
+ gotoxy(72, 2);
+ cout << "<0>=EXIT";
+ gotoxy(5, 5);
+ cout << "Enter code of the Employee  ";
+ gets(t1);
+ t2 = atoi(t1);
+ ecode = t2;
+ if (ecode == 0)
+  return;
+ system("cls");
+ if (!FOUND_CODE(ecode))
+ {
+  gotoxy(5, 5);
+  cout << "\7Record not found";
+  getch();
+  return;
+ }
+ fstream file;
+ file.open("EMPLOYEE.DAT", ios::in);
+ file.seekg(0, ios::beg);
+ while (file.read((char *) this, sizeof(EMPLOYEE)))
+ {
+  if (code == ecode)
+   break;
+ }
+ file.close();
+ int d1, m1, y1;
+ struct date d;
+ getdate(&d);
+ d1 = d.da_day;
+ m1 = d.da_mon;
+ y1 = d.da_year;
+ char *mon[12] = { "January", "February", "March", "April", "May", "June", "July", "August", "September", "November", "December" };
+ LINES L;
+ L.BOX(2, 1, 79, 25, 219);
+ gotoxy(31, 2);
+ cout << "NADEEM AKHTAR, PGDBA - 200754667";
+ L.LINE_HOR(3, 78, 3, 196);
+ gotoxy(34, 4);
+ cout << "SALARY SLIP";
+ gotoxy(60, 4);
+ cout << "Date: " << d1 << "/" << m1 << "/" << y1;
+ gotoxy(34, 5);
+ cout << mon[m1 - 1] << ", " << y1;
+ L.LINE_HOR(3, 78, 6, 196);
+ gotoxy(6, 7);
+ cout << "Employee Name : " << name;
+ gotoxy(6, 8);
+ cout << "Designation   : " << desig;
+ gotoxy(67, 8);
+ cout << "Grade : " << grade;
+ L.BOX(6, 9, 75, 22, 218);
+ L.LINE_HOR(10, 71, 20, 196);
+ int days, hours;
+ if (grade == 'E')
+ {
+  do
+  {
+   valid = 1;
+   gotoxy(10, 21);
+   cout << "ENTER NO. OF DAYS WORKED IN THE MONTH ";
+   gotoxy(10, 11);
+   cout << "No. of Days   : ";
+   gets(t1);
+   t2 = atof(t1);
+   days = t2;
+   if (!VALID_DATE(days, m1, y1))
+   {
+    valid = 0;
+    gotoxy(10, 21);
+    cout << "\7ENTER CORRECTLY                       ";
+    getch();
+    gotoxy(10, 11);
+    cout << "                    ";
+   }
+  } while (!valid);
+  do
+  {
+   valid = 1;
+   gotoxy(10, 21);
+   cout << "ENTER NO. OF HOURS WORKED OVER TIME   ";
+   gotoxy(10, 13);
+   cout << "No. of hours  : ";
+   gets(t1);
+   t2 = atof(t1);
+   hours = t2;
+   if (hours > 8 || hours < 0)
+   {
+    valid = 0;
+    gotoxy(10, 21);
+    cout << "\7ENTER CORRECTLY                     ";
+    getch();
+    gotoxy(10, 13);
+    cout << "                    ";
+   }
+  } while (!valid);
+  gotoxy(10, 21);
+  cout << "                                               ";
+  gotoxy(10, 11);
+  cout << "                        ";
+  gotoxy(10, 13);
+  cout << "                        ";
+ }
+ gotoxy(10, 10);
+ cout << "Basic Salary         : Rs.";
+ gotoxy(10, 12);
+ cout << "ALLOWANCE";
+ if (grade != 'E')
+ {
+  gotoxy(12, 13);
+  cout << "HRA  : Rs.";
+  gotoxy(12, 14);
+  cout << "CA   : Rs.";
+  gotoxy(12, 15);
+  cout << "DA   : Rs.";
+ }
+ else
+ {
+  gotoxy(12, 13);
+  cout << "OT   : Rs.";
+ }
+ gotoxy(10, 17);
+ cout << "DEDUCTIONS";
+ gotoxy(12, 18);
+ cout << "LD   : Rs.";
+ if (grade != 'E')
+ {
+  gotoxy(12, 19);
+  cout << "PF   : Rs.";
+ }
+ gotoxy(10, 21);
+ cout << "NET SALARY           : Rs.";
+ gotoxy(6, 24);
+ cout << "CASHIER";
+ gotoxy(68, 24);
+ cout << "EMPLOYEE";
+ float HRA = 0.0, CA = 0.0, DA = 0.0, PF = 0.0, LD = 0.0, OT = 0.0, allowance, deduction, netsalary;
+ if (grade != 'E')
+ {
+  if (house == 'Y')
+   HRA = (5 * basic) / 100;
+  if (convense == 'Y')
+   CA = (2 * basic) / 100;
+  DA = (5 * basic) / 100;
+  PF = (2 * basic) / 100;
+  LD = (15 * loan) / 100;
+  allowance = HRA + CA + DA;
+  deduction = PF + LD;
+ }
+ else
+ {
+  basic = days * 30;
+  LD = (15 * loan) / 100;
+  OT = hours * 10;
+  allowance = OT;
+  deduction = LD;
+ }
+ netsalary = (basic + allowance) - deduction;
+ gotoxy(36, 10);
+ cout << basic;
+ if (grade != 'E')
+ {
+  gotoxy(22, 13);
+  cout << HRA;
+  gotoxy(22, 14);
+  cout << CA;
+  gotoxy(22, 15);
+  cout << DA;
+  gotoxy(22, 19);
+  cout << PF;
+ }
+ else
+ {
+  gotoxy(22, 13);
+  cout << OT;
+ }
+ gotoxy(22, 18);
+ cout << LD;
+ gotoxy(33, 15);
+ cout << "Rs." << allowance;
+ gotoxy(33, 19);
+ cout << "Rs." << deduction;
+ gotoxy(36, 21);
+ cout << netsalary;
+ gotoxy(2, 1);
+ getch();
+}
+
+void main(void)
+{
+ MENU menu;
+ menu.MAIN_MENU();
+}