function import_Books($file)
{
    set_include_path(get_include_path() . PATH_SEPARATOR . 'Classes/');
    include 'PHPExcel/IOFactory.php';
    require_once 'private/LMS_Engine.php';
    $engine = new LMS_Engine();
    try {
        $objPHPExcel = PHPExcel_IOFactory::load($file);
        $Total_Sheet = $objPHPExcel->getSheetCount();
        for ($num = 0; $num < $Total_Sheet; $num++) {
            $Sheet = $objPHPExcel->getSheet($num)->toArray(null, true, true, true);
            $Row = count($Sheet);
            for ($pos = 3; $pos < $Row; $pos++) {
                $Title = trim($Sheet[$pos]['B']);
                $Author = trim($Sheet[$pos]['C']);
                $Publisher = trim($Sheet[$pos]['D']);
                $Pub_Year = trim($Sheet[$pos]['E']);
                $Pub_Add = trim($Sheet[$pos]['F']);
                $Call_ID = trim($Sheet[$pos]['G']);
                $Copy_Num = trim($Sheet[$pos]['H']);
                $Category = trim($Sheet[$pos]['I']);
                $Shelf_Store = trim($Sheet[$pos]['J']);
                $engine->add_new_book($Title, 1, $Author, $Publisher, $Pub_Year, $Pub_Add, $Call_ID, $Copy_Num, $Shelf_Store);
            }
        }
    } catch (Exception $e) {
        die('Error loading file "' . pathinfo($file, PATHINFO_BASENAME) . '": ' . $e->getMessage());
    }
}
<?php

require_once 'private/LMS_Engine.php';
$engine = new LMS_Engine();
if (isset($_POST['add_new_book'])) {
    $engine->add_new_book($_POST['title'], $_POST['cat_id'], $_POST['author'], $_POST['publisher'], $_POST['publish_year'], $_POST['publish_address'], $_POST['call_id'], $_POST['copy_number'], 'store');
}
$page_num = null;
$from = "All";
$hint = "";
$cat_id = 1;
if (!isset($_GET['page_num'])) {
    $page_num = 0;
    if (isset($_POST['Search_Items'])) {
        $from = $_POST['from'];
        $hint = $_POST['hint'];
        $cat_id = $_POST['cat_id'];
    }
} else {
    $page_num = $_GET['page_num'];
    $from = $_GET['from'];
    $hint = $_GET['hint'];
    $cat_id = $_GET['cat_id'];
}
?>
<div class="container" id="main">
    <div  class="row" id="contact">
        <hr>
        <div class="page-header">
            <h3>Manage Library Books </h3>
        </div>