diff --git a/digital banking system.cpp b/digital banking system.cpp
new file mode 100644
index 0000000..ffa19b2
--- /dev/null
+++ b/digital banking system.cpp	
@@ -0,0 +1,342 @@
+#include<iostream>
+#include<fstream>
+#include<cctype>
+#include<iomanip>
+using namespace std;
+
+
+
+class account
+{
+	int acno;
+	char name[50];
+	int deposit;
+	char type;
+public:
+	void create_account();	//function to get data from user
+	void show_account() const;	//function to show data on screen
+	void modify();	//function to add new data
+	void dep(int);	//function to accept amount and add to balance amount
+	void draw(int);	//function to accept amount and subtract from balance amount
+	void report() const;	//function to show data in tabular format
+	int retacno() const;	//function to return account number
+	int retdeposit() const;	//function to return balance amount
+	char rettype() const;	//function to return type of account
+};         //class ends here
+
+void account::create_account()
+{
+	cout<<"\nEnter The account No. :";
+	cin>>acno;
+	cout<<"\n\nEnter The Name of The account Holder : ";
+	cin.ignore();
+	cin.getline(name,50);
+	cout<<"\nEnter Type of The account (C/S) : ";
+	cin>>type;
+	type=toupper(type);
+	cout<<"\nEnter The Initial amount(>=2000 for Saving and >=3000 for current ) : ";
+	cin>>deposit;
+	cout<<"\n\n\nAccount Created..";
+}
+
+void account::show_account() const
+{
+	cout<<"\nAccount No. : "<<acno;
+	cout<<"\nAccount Holder Name : ";
+	cout<<name;
+	cout<<"\nType of Account : "<<type;
+	cout<<"\nBalance amount : "<<deposit;
+}
+
+
+void account::modify()
+{
+	cout<<"\nAccount No. : "<<acno;
+	cout<<"\nModify Account Holder Name : ";
+	cin.ignore();
+	cin.getline(name,50);
+	cout<<"\nModify Type of Account : ";
+	cin>>type;
+	type=toupper(type);
+	cout<<"\nModify Balance amount : ";
+	cin>>deposit;
+}
+
+	
+void account::dep(int x)
+{
+	deposit+=x;
+}
+	
+void account::draw(int x)
+{
+	deposit-=x;
+}
+	
+void account::report() const
+{
+	cout<<acno<<setw(10)<<" "<<name<<setw(10)<<" "<<type<<setw(6)<<deposit<<endl;
+}
+
+	
+int account::retacno() const
+{
+	return acno;
+}
+
+int account::retdeposit() const
+{
+	return deposit;
+}
+
+char account::rettype() const
+{
+	return type;
+}
+
+
+
+void write_account();	//function to write record in binary file
+void display_sp(int);	//function to display account details given by user
+void modify_account(int);	//function to modify record of file
+void delete_account(int);	//function to delete record of file
+void display_all();		//function to display all account details
+void deposit_withdraw(int, int); // function to desposit/withdraw amount for given account
+void intro();	//introductory screen function
+
+
+
+
+int main()
+{
+	char ch;
+	int num;
+	intro();
+	do
+	{
+		system("cls");
+		cout<<"\n\n\n\tMAIN MENU";
+		cout<<"\n\n\t01. NEW ACCOUNT";
+		cout<<"\n\n\t02. DEPOSIT AMOUNT";
+		cout<<"\n\n\t03. WITHDRAW AMOUNT";
+		cout<<"\n\n\t04. BALANCE ENQUIRY";
+		cout<<"\n\n\t05. ALL ACCOUNT HOLDER LIST";
+		cout<<"\n\n\t06. CLOSE AN ACCOUNT";
+		cout<<"\n\n\t07. MODIFY AN ACCOUNT";
+		cout<<"\n\n\t08. EXIT";
+		cout<<"\n\n\tSelect Your Option (1-8) ";
+		cin>>ch;
+		system("cls");
+		switch(ch)
+		{
+		case '1':
+			write_account();
+			break;
+		case '2':
+			cout<<"\n\n\tEnter The account No. : "; cin>>num;
+			deposit_withdraw(num, 1);
+			break;
+		case '3':
+			cout<<"\n\n\tEnter The account No. : "; cin>>num;
+			deposit_withdraw(num, 2);
+			break;
+		case '4': 
+			cout<<"\n\n\tEnter The account No. : "; cin>>num;
+			display_sp(num);
+			break;
+		case '5':
+			display_all();
+			break;
+		case '6':
+			cout<<"\n\n\tEnter The account No. : "; cin>>num;
+			delete_account(num);
+			break;
+		 case '7':
+			cout<<"\n\n\tEnter The account No. : "; cin>>num;
+			modify_account(num);
+			break;
+		 case '8':
+			cout<<"\n\n\t##  Thanks for using our product digital banking system  ##";
+			break;
+		 default :cout<<"\a";
+		}
+		cin.ignore();
+		cin.get();
+	}while(ch!='8');
+	return 0;
+}
+void write_account()
+{
+	account ac;
+	ofstream outFile;
+	outFile.open("account.dat",ios::binary|ios::app);
+	ac.create_account();
+	outFile.write(reinterpret_cast<char *> (&ac), sizeof(account));
+	outFile.close();
+}
+
+
+void display_sp(int n)
+{
+	account ac;
+	bool flag=false;
+	ifstream inFile;
+	inFile.open("account.dat",ios::binary);
+	if(!inFile)
+	{
+		cout<<"File could not be open !! Press any Key...";
+		return;
+	}
+	cout<<"\nBALANCE DETAILS\n";
+
+    	while(inFile.read(reinterpret_cast<char *> (&ac), sizeof(account)))
+	{
+		if(ac.retacno()==n)
+		{
+			ac.show_account();
+			flag=true;
+		}
+	}
+	inFile.close();
+	if(flag==false)
+		cout<<"\n\nAccount number does not exist";
+}
+
+
+
+void modify_account(int n)
+{
+	bool found=false;
+	account ac;
+	fstream File;
+	File.open("account.dat",ios::binary|ios::in|ios::out);
+	if(!File)
+	{
+		cout<<"File could not be open !! Press any Key...";
+		return;
+	}
+	while(!File.eof() && found==false)
+	{
+		File.read(reinterpret_cast<char *> (&ac), sizeof(account));
+		if(ac.retacno()==n)
+		{
+			ac.show_account();
+			cout<<"\n\nEnter The New Details of account"<<endl;
+			ac.modify();
+			int pos=(-1)*static_cast<int>(sizeof(account));
+			File.seekp(pos,ios::cur);
+			File.write(reinterpret_cast<char *> (&ac), sizeof(account));
+			cout<<"\n\n\t Record Updated";
+			found=true;
+		  }
+	}
+	File.close();
+	if(found==false)
+		cout<<"\n\n Record Not Found ";
+}
+
+
+
+void delete_account(int n)
+{
+	account ac;
+	ifstream inFile;
+	ofstream outFile;
+	inFile.open("account.dat",ios::binary);
+	if(!inFile)
+	{
+		cout<<"File could not be open !! Press any Key...";
+		return;
+	}
+	outFile.open("Temp.dat",ios::binary);
+	inFile.seekg(0,ios::beg);
+	while(inFile.read(reinterpret_cast<char *> (&ac), sizeof(account)))
+	{
+		if(ac.retacno()!=n)
+		{
+			outFile.write(reinterpret_cast<char *> (&ac), sizeof(account));
+		}
+	}
+	inFile.close();
+	outFile.close();
+	remove("account.dat");
+	rename("Temp.dat","account.dat");
+	cout<<"\n\n\tRecord Deleted ..";
+}
+
+
+
+void display_all()
+{
+	account ac;
+	ifstream inFile;
+	inFile.open("account.dat",ios::binary);
+	if(!inFile)
+	{
+		cout<<"File could not be open !! Press any Key...";
+		return;
+	}
+	cout<<"\n\n\t\tACCOUNT HOLDER LIST\n\n";
+	cout<<"====================================================\n";
+	cout<<"A/c no.      NAME           Type   Balance\n";
+	cout<<"====================================================\n";
+	while(inFile.read(reinterpret_cast<char *> (&ac), sizeof(account)))
+	{
+		ac.report();
+	}
+	inFile.close();
+}
+
+void deposit_withdraw(int n, int option)
+{
+	int amt;
+	bool found=false;
+	account ac;
+	fstream File;
+	File.open("account.dat", ios::binary|ios::in|ios::out);
+	if(!File)
+	{
+		cout<<"File could not be open !! Press any Key...";
+		return;
+	}
+	while(!File.eof() && found==false)
+	{
+		File.read(reinterpret_cast<char *> (&ac), sizeof(account));
+		if(ac.retacno()==n)
+		{
+			ac.show_account();
+			if(option==1)
+			{
+				cout<<"\n\n\tTO DEPOSITE AMOUNT ";
+				cout<<"\n\nEnter The amount to be deposited";
+				cin>>amt;
+				ac.dep(amt);
+			}
+			if(option==2)
+			{
+				cout<<"\n\n\tTO WITHDRAW AMOUNT ";
+				cout<<"\n\nEnter The amount to be withdraw";
+				cin>>amt;
+				int bal=ac.retdeposit()-amt;
+				if((bal<500 && ac.rettype()=='S') || (bal<1000 && ac.rettype()=='C'))
+					cout<<"Insufficience balance";
+				else
+					ac.draw(amt);
+			}
+			int pos=(-1)*static_cast<int>(sizeof(ac));
+			File.seekp(pos,ios::cur);
+			File.write(reinterpret_cast<char *> (&ac), sizeof(account));
+			cout<<"\n\n\t Record Updated";
+			found=true;
+	       }
+         }
+	File.close();
+	if(found==false)
+		cout<<"\n\n Record Not Found ";
+}
+
+void intro()
+{
+	cout<<"\n\n\n\t  DIGITAL BANKING SYSTEM ";
+	cout<<"\n\n\n\n MADE BY : NIKHIL AND ARPIT";
+}