New-OMIS/Modules/Admin/app/Services/AdminService.php

<?php
namespace Modules\Admin\Services;

use Modules\Admin\Models\Castes;
use Modules\Admin\Models\Cities;
use Modules\Admin\Models\Country;
use Modules\Admin\Models\Departments;
use Modules\Admin\Models\Designations;
use Modules\Admin\Models\Districts;
use Modules\Admin\Models\Genders;
use Modules\Admin\Models\Nationalities;
use Modules\Admin\Models\Province;

final class AdminService
{
    function pluckCountries()
    {
        return Country::pluck('title', 'country_id');
    }

    function pluckProvinces()
    {
        return Province::pluck('title', 'province_id');
    }

    function pluckDistricts()
    {
        return Districts::pluck('title', 'district_id');

    }

    function pluckCities()
    {
        return Cities::pluck('title', 'city_id');
    }

    function pluckCastes()
    {
        return Castes::pluck('title', 'caste_id');
    }

    function pluckGenders()
    {
        return Genders::pluck('title', 'gender_id');
    }

    function pluckNationalities()
    {
        return Nationalities::pluck('title', 'nationality_id');
    }

    function pluckDepartments()
    {
        return Departments::pluck('title', 'department_id');
    }

    function pluckDesignations()
    {
        return Designations::pluck('title', 'designation_id');
    }
}