Can someone tell me what I am doing wrong here?

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C

Can someone tell me what I am doing wrong here?
One of the issues I face w/ my code is that strings are overwriting each other.

#include <stdio.h>
#include <stdlib.h>
#include <windows.h>
int month, date, year;
int main_exit;
// Note that the structure to be nested has to be declared first.
struct date
{
 int month, date, year
};
struct
{
 char name[60];
 char address[60];
 char citizenship[15];
 double phone;
 float amt;
 char acc_type[10];
 struct date dob;
 struct date deposit;
 struct date withdraw;
 int acc_no;
 int age;

} add, check;
int main()
{
    FILE *fptr;
    fptr = fopen("record_data.txt", "a+");
account_no:
    printf("\n\n\t\tADD RECORD ");
    printf("\n\n\t\tEnter today's date : ");
    scanf("%d/%d/%d", &add.deposit.date, &add.deposit.month, &add.deposit.year);
    printf("\n\n\t\tEnter AccountNumber :  ");
    scanf("%d", &check.acc_no);

 while (fscanf(fptr, " %d %s %d/%d/%d %d %s %s %lf %s %f %d/%d/%d\n", &add.acc_no, add.name, &add.dob.month, &add.dob.date, &add.dob.year, &add.age, &add.address, &add.citizenship, &add.phone, &add.amt, &add.acc_type) != EOF)
    {
 if (check.acc_no == add.acc_no)
        {
            printf("Account no. already in use!");
 goto account_no;
        }
    }
    add.acc_no = check.acc_no;
    printf("\n\n\t\tEnter the name : ");
    fgets(add.name,sizeof(add.name) , stdin);

    printf("\n\n\t\tEnter the age : ");
    scanf("%d", &add.age);

    printf("\n\n\t\tEnter address : ");
    scanf("%s", add.address);

    printf("\n\n\t\tEnter citizenship number : ");
    scanf("%s", &add.citizenship);

    printf("\n\n\t\tEnter phonenumber ; ");
    scanf("%lf", &add.phone);

    printf("\n\n\t\tEnter the amount to deposit : ");
    scanf("%f", &add.amt);

    printf("\n\n\t\tType of account : ");
    scanf("%s", &add.acc_type);

    fprintf(fptr, "%d %s %d/%d/%d %d %s %s %lf %s %f %d/%d/%d", add.acc_no, add.name, add.age, add.address, add.citizenship, add.phone, add.amt, add.acc_type);
    fclose(fptr);
    printf("Account created successfully!");

What I have tried:

I don't know why but my strings are overwriting each other because of that I am not able to run other part of my program.

Also , lemme know if u see errors related to file handling.