diff --git a/app/Config/Filters.php b/app/Config/Filters.php
index eb46a1d..b641d98 100644
--- a/app/Config/Filters.php
+++ b/app/Config/Filters.php
@@ -12,7 +12,7 @@ use CodeIgniter\Filters\InvalidChars;
 use CodeIgniter\Filters\PageCache;
 use CodeIgniter\Filters\PerformanceMetrics;
 use CodeIgniter\Filters\SecureHeaders;
-
+use App\Filters\SignedUrlFilter;
 class Filters extends BaseFilters
 {
     /**
@@ -34,6 +34,7 @@ class Filters extends BaseFilters
         'forcehttps'    => ForceHTTPS::class,
         'pagecache'     => PageCache::class,
         'performance'   => PerformanceMetrics::class,
+        'signedUrl' => SignedUrlFilter::class,
     ];
 
     /**
diff --git a/app/Config/Logger.php b/app/Config/Logger.php
index ab6997e..1c7fb90 100644
--- a/app/Config/Logger.php
+++ b/app/Config/Logger.php
@@ -38,7 +38,7 @@ class Logger extends BaseConfig
      *
      * @var int|list<int>
      */
-    public $threshold = (ENVIRONMENT === 'production') ? 4 : 9;
+    public $threshold = 4;
 
     /**
      * --------------------------------------------------------------------------
diff --git a/app/Config/Routes.php b/app/Config/Routes.php
index 157ab9c..24f6fa5 100644
--- a/app/Config/Routes.php
+++ b/app/Config/Routes.php
@@ -100,4 +100,7 @@ use CodeIgniter\Router\RouteCollection;
  $routes->post('status_branch','BranchController::status_branch');
 
  
- 
\ No newline at end of file
+ $routes->get('sendSms','TestController::sendSms');
+ $routes->get('preview', 'TestController::protectedPage', ['filter' => 'signedUrl']);
+ $routes->get('sendUrl', 'TestController::sendUrl');
+ $routes->get('protectedPage', 'TestController::protectedPage');
\ No newline at end of file
diff --git a/app/Controllers/TestController.php b/app/Controllers/TestController.php
new file mode 100644
index 0000000..9b354a0
--- /dev/null
+++ b/app/Controllers/TestController.php
@@ -0,0 +1,172 @@
+<?php
+
+namespace App\Controllers;
+use App\Helpers\MailHelper;
+use App\Models\ServiceModel;
+use App\Models\TemplateModel;
+use App\Models\StaffModel;
+use App\Models\ClientDocsModel;
+use App\Models\ClientModel;
+use App\Models\BusinessModel;
+use App\Models\BranchModel;
+use App\Models\ServiceGroupModel;
+use App\Models\ClientBranchModel;
+use App\Models\DocsStatusModel;
+use CodeIgniter\Controller;
+
+class TestController extends Controller
+{
+
+    protected $ServiceModel;
+    protected $TemplateModel;
+    protected $StaffModel;
+    protected $ClientDocsModel;
+    protected $ClientModel;
+    protected $BusinessModel;
+    protected $BranchModel;
+    protected $ServiceGroupModel;
+    protected $ClientBranchModel;
+    protected $DocsStatusModel;
+
+    public function __construct()
+    {
+       
+        $this->ServiceModel = new ServiceModel();
+        $this->TemplateModel = new TemplateModel();
+        $this->StaffModel = new StaffModel();
+        $this->ClientDocsModel = new ClientDocsModel();
+        $this->ClientModel = new ClientModel();
+        $this->BusinessModel = new BusinessModel();
+        $this->BranchModel = new BranchModel();
+        $this->ServiceGroupModel = new ServiceGroupModel();
+        $this->ClientBranchModel = new ClientBranchModel();
+        $this->DocsStatusModel = new DocsStatusModel();
+
+       
+
+       
+    }
+
+    public function sendSms()
+    {
+        $apiKey = 'HgvlULWCIrs'; // Your API key
+        $mobileNumbers = '919894638731'; // Recipient mobile numbers
+        $DLTTemplateID = '1105171896608602869';  // DLT Template ID
+        $senderId = 'LDRAJ'; // Sender ID
+        $message = 'Dear Gowtham, 986532 is OTP to approve Service group for service name purposes.';
+        $serviceName = 'TEMPLATE_BASED'; // Service name
+
+        // URL encode the message
+        $encodedMessage = urlencode($message);
+
+        // Initialize cURL
+        $ch = curl_init();
+
+        // Set cURL options
+        curl_setopt($ch, CURLOPT_URL, "https://smsapi.24x7sms.com/api_2.0/SendSMS.aspx?APIKEY=$apiKey&MobileNo=$mobileNumbers&SenderID=$senderId&Message=$encodedMessage&ServiceName=$serviceName&DLTTemplateID=$DLTTemplateID");
+        curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
+
+        // Execute cURL request and get the response
+        $output = curl_exec($ch);
+
+        // Close cURL session
+        curl_close($ch);
+
+        // Output the response (for testing purposes)
+        return $this->response->setJSON(['response' => $output]);
+    }
+
+    public function sendUrl()
+    {
+        helper('url');
+        $signedUrl = generate_signed_url('preview', ['doc_id'=>md5(7)], 60); 
+        // Send the $signedUrl to your client (e.g., via email)
+        
+        return $this->response->setJSON(['url' => $signedUrl]);
+    }
+
+    public function protectedPage(){
+        $doc_id = $this->request->getVar('doc_id');
+        $data['docData'] = $this->ClientDocsModel->docPreview($doc_id);
+       
+        $data['clientData'] = $this->ClientBranchModel->select('client.name , client.pan_no ,client_branch.gst_no , client_branch.mobile_no , client_branch.email , client_branch.address , client_branch.country , client_branch.state , client_branch.city , client_branch.pin_code ')
+                                                           ->join('client', 'client_branch.client_id = client.client_id', 'left')
+                                                           ->where('client_branch.id',$data['docData']->client_branch_id)
+                                                           ->get()->getRow();
+                                     
+        
+       
+
+        $data['header_html'] = $data['docData']->header_html;
+        $data['footer_html'] = $data['docData']->footer_html;
+        $data['body_html'] = $data['docData']->body_html;
+        //replace client details in template content
+        foreach ($data['clientData'] as $key => $value) {
+           $placeHolder = '%'.$key.'%';
+           $data['body_html'] = str_replace($placeHolder,$value,$data['body_html']);
+        }
+
+        if($data['docData']->is_active == 1){
+            $DateAndYears = $data['docData']->place_holder_object;
+        }else{
+            $DateAndYears = $this->dateAndYearPlaceholder();
+        }
+        //replace Date and Year values in template content
+        foreach (json_decode($DateAndYears,true) as $key => $value) {
+            $placeHolder = '%'.$key.'%';
+            $data['body_html'] = str_replace($placeHolder,$value,$data['body_html']);
+        }
+
+        
+       
+      
+        echo view('layout/doc_header');
+        echo view('client_docs_preview',$data);
+        echo view('layout/footer');
+        
+    }
+
+
+    public function dateAndYearPlaceholder()
+    {
+        $currentDate = date('d-m-Y');
+        $currentYear = date('Y');
+        $currentMonth = date('m');
+
+        
+        if ($currentMonth >= 4) {
+            $financialYearStart = $currentYear . '-04-01';
+            $financialYearEnd = ($currentYear + 1) . '-03-31';
+            $financialYear = $currentYear . '-' . ($currentYear + 1);
+            $assessmentYear = ($currentYear + 1) . '-' . ($currentYear + 2);
+            $q1 = '01-04-' . $currentYear . ' to ' . '30-06-' . $currentYear;
+            $q2 = '01-07-' . $currentYear . ' to ' . '30-09-' . $currentYear;
+            $q3 = '01-10-' . $currentYear . ' to ' . '31-12-' . $currentYear;
+            $q4 = '01-01-' . ($currentYear + 1) . ' to ' . '31-03-' . ($currentYear + 1);
+           
+        } else {
+            $financialYearStart = ($currentYear - 1) . '-04-01';
+            $financialYearEnd = $currentYear . '-03-31';
+            $financialYear = ($currentYear - 1) . '-' . $currentYear;
+            $assessmentYear = $currentYear . '-' . ($currentYear + 1);
+            $q1 = '01-04-' . ($currentYear - 1) . ' to ' . '30-06-' . ($currentYear - 1);
+            $q2 = '01-07-' . ($currentYear - 1) . ' to ' . '30-09-' . ($currentYear - 1);
+            $q3 = '01-10-' . ($currentYear - 1) . ' to ' . '31-12-' . ($currentYear - 1);
+            $q4 = '01-01-' . $currentYear . ' to ' . '31-03-' . $currentYear;
+        }
+
+        $DateAndYears = [
+            "CD" => $currentDate,
+            "CY" => $currentYear,
+            "FY" => $financialYear,
+            "AY" => $assessmentYear,
+            "Q1" => $q1,
+            "Q2" => $q2,
+            "Q3" => $q3,
+            "Q4" => $q4,
+        ];
+
+        return json_encode($DateAndYears);
+
+    }
+}
diff --git a/app/Filters/SignedUrlFilter.php b/app/Filters/SignedUrlFilter.php
new file mode 100644
index 0000000..00492c6
--- /dev/null
+++ b/app/Filters/SignedUrlFilter.php
@@ -0,0 +1,44 @@
+<?php
+
+namespace App\Filters;
+
+use CodeIgniter\HTTP\RequestInterface;
+use CodeIgniter\HTTP\ResponseInterface;
+use CodeIgniter\Filters\FilterInterface;
+use Config\Services;
+class SignedUrlFilter implements FilterInterface
+{
+    public function before(RequestInterface $request, $arguments = null)
+    {
+        $secretKey = 'your-secret-key'; // Change this to your secret key
+        $expires = $request->getGet('expires');
+        $signature = $request->getGet('signature');
+        
+        if (!$expires || !$signature) {
+            return Services::response()->setStatusCode(403)->setBody('Forbidden');
+        }
+        
+        if (time() > $expires) {
+            $body = view('expired_link');
+            return Services::response()->setStatusCode(403)->setBody($body);
+        }
+        
+        $queryParams = $request->getGet();
+        unset($queryParams['signature']);
+        $route = $request->getPath();
+        $expectedSignature = hash_hmac('sha256', $route . '?' . http_build_query($queryParams), $secretKey);
+        
+        if (!hash_equals($expectedSignature, $signature)) {
+            return Services::response()->setStatusCode(403)->setBody('Invalid signature');
+        }
+        
+        return true; // Allow the request
+    }
+
+    public function after(RequestInterface $request, ResponseInterface $response, $arguments = null)
+    {
+        // Do nothing here
+    }
+}
+
+
diff --git a/app/Helpers/url_helper.php b/app/Helpers/url_helper.php
new file mode 100644
index 0000000..064e82b
--- /dev/null
+++ b/app/Helpers/url_helper.php
@@ -0,0 +1,15 @@
+<?php
+
+use Config\Services;
+
+if (!function_exists('generate_signed_url')) {
+    function generate_signed_url($route, $params = [], $expiresIn = 3600)
+    {
+        $secretKey = 'your-secret-key'; // Change this to your secret key
+        $expiresAt = time() + $expiresIn;
+        $params['expires'] = $expiresAt;
+        $signature = hash_hmac('sha256', $route . '?' . http_build_query($params), $secretKey);
+        $params['signature'] = $signature;
+        return base_url($route . '?' . http_build_query($params));
+    }
+}
diff --git a/app/Views/expired_link.php b/app/Views/expired_link.php
new file mode 100644
index 0000000..24cd062
--- /dev/null
+++ b/app/Views/expired_link.php
@@ -0,0 +1,35 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Link Expired</title>
+    <style>
+        body {
+            display: flex;
+            justify-content: center;
+            align-items: center;
+            height: 100vh;
+            margin: 0;
+            font-family: Arial, sans-serif;
+        }
+        .container {
+            text-align: center;
+        }
+        img {
+            max-width: 100%;
+            height: auto;
+        }
+        .text{
+            font-size: large;
+            font-weight: bold;
+        }
+    </style>
+</head>
+<body>
+    <div class="container">
+        <img src="<?= base_url('public/assets/images/404.gif') ?>" alt="Link Expired">
+        <p class="text">Link expired</p>
+    </div>
+</body>
+</html>
diff --git a/app/Views/layout/doc_header.php b/app/Views/layout/doc_header.php
new file mode 100644
index 0000000..94cc2de
--- /dev/null
+++ b/app/Views/layout/doc_header.php
@@ -0,0 +1,176 @@
+<!DOCTYPE html>
+<html lang="en">
+    <head>
+        <meta charset="utf-8" />
+        <title>Approve Dox</title>
+        <meta name="viewport" content="width=device-width, initial-scale=1.0">
+        <meta content="A fully featured admin theme which can be used to build CRM, CMS, etc." name="description" />
+        <meta content="Coderthemes" name="author" />
+        <meta http-equiv="X-UA-Compatible" content="IE=edge" />
+        <!-- App favicon -->
+        <link rel="shortcut icon" href="<?= base_url()."public"; ?>/assets/images/favicon.ico">
+
+		<!-- App css -->
+		<link href="<?= base_url()."public"; ?>/assets/css/bootstrap-creative.min.css" rel="stylesheet" type="text/css" id="bs-default-stylesheet" />
+		<link href="<?= base_url()."public"; ?>/assets/css/app-creative.min.css" rel="stylesheet" type="text/css" id="app-default-stylesheet" />
+
+		<link href="<?= base_url()."public"; ?>/assets/css/bootstrap-creative-dark.min.css" rel="stylesheet" type="text/css" id="bs-dark-stylesheet" />
+		<link href="<?= base_url()."public"; ?>/assets/css/app-creative-dark.min.css" rel="stylesheet" type="text/css" id="app-dark-stylesheet" />
+
+		<!-- icons -->
+		<link href="<?= base_url()."public"; ?>/assets/css/icons.min.css" rel="stylesheet" type="text/css" />
+
+         <!-- third party css -->
+        <link href="<?= base_url()."public"; ?>/assets/libs/datatables.net-bs4/css/dataTables.bootstrap4.min.css" rel="stylesheet" type="text/css" />
+        <link href="<?= base_url()."public"; ?>/assets/libs/datatables.net-responsive-bs4/css/responsive.bootstrap4.min.css" rel="stylesheet" type="text/css" />
+        <link href="<?= base_url()."public"; ?>/assets/libs/datatables.net-buttons-bs4/css/buttons.bootstrap4.min.css" rel="stylesheet" type="text/css" />
+        <link href="<?= base_url()."public"; ?>/assets/libs/datatables.net-select-bs4/css//select.bootstrap4.min.css" rel="stylesheet" type="text/css" />
+        <!-- third party css end -->
+
+        <!-- Plugins css -->
+        <link href="<?= base_url()."public"; ?>/assets/libs/select2/css/select2.min.css" rel="stylesheet" type="text/css" />
+        <link href="https://cdnjs.cloudflare.com/ajax/libs/select2/4.1.0/css/select2.min.css" rel="stylesheet" />
+
+        <!-- toster alert -->
+        <script src="https://cdn.jsdelivr.net/npm/toastr@2.1.4/toastr.min.js"></script>
+        <link href="https://cdn.jsdelivr.net/npm/toastr@2.1.4/build/toastr.min.css" rel="stylesheet">
+
+        <!-- Summernote css -->
+        <link href="<?= base_url()."public"; ?>/assets/libs/summernote/summernote-bs4.min.css" rel="stylesheet" type="text/css" />
+
+        <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
+        <link href="<?= base_url() . "public"; ?>/assets/libs/admin-resources/jquery.vectormap/jquery-jvectormap-1.2.2.css" rel="stylesheet" type="text/css" />
+
+
+        <style>
+          .select2-container .select2-selection--multiple .select2-selection__choice {
+                padding: 5px 7px 5px 0 !important;
+                color: #000000;
+            }
+            #business_list_header option{
+                background-color: white;
+                color:black;
+            }
+            .btn-secondary {
+                    background-color: #f4f9fb;
+                    border-color: #f4f9fb;
+                    color:black;
+                }
+
+                .btn-secondary:hover {
+                    color: #343a40;
+                    background-color: #d8eaf1;
+                    border-color: #cfe5ed;
+                }
+        .loader-mask {
+            position: fixed;
+            top: 0;
+            left: 0;
+            right: 0;
+            bottom: 0;
+            background-color: #00000069;
+            z-index: 99999;
+        }
+        .dataTables_wrapper button{
+        background: #f1f5f7;
+        color: #343a40;
+        border-width: 0;
+    }
+    .dataTables_wrapper .dt-buttons{
+        float:left;
+    }
+        .loader {
+            position: absolute;
+            left: 50%;
+            top: 50%;
+            width: 50px;
+            height: 50px;
+            font-size: 0;
+            color: #00c9d0;
+            display: inline-block;
+            margin: -25px 0 0 -25px;
+            text-indent: -9999em;
+            -webkit-transform: translateZ(0);
+            -ms-transform: translateZ(0);
+            transform: translateZ(0);
+        }
+
+        .lead {
+            font-size: 13px;
+        }
+
+        .loader div {
+            background-color: #6ad9cf;
+            display: inline-block;
+            float: none;
+            position: absolute;
+            top: 0;
+            left: 0;
+            width: 50px;
+            height: 50px;
+            opacity: .5;
+            border-radius: 50%;
+            -webkit-animation: ballPulseDouble 2s ease-in-out infinite;
+            animation: ballPulseDouble 2s ease-in-out infinite;
+        }
+
+        .loader div:last-child {
+            -webkit-animation-delay: -1s;
+            animation-delay: -1s;
+        }
+        .dropdown-item:focus, .dropdown-item:hover{
+            background-color: #7ce4dd;
+        }
+        @media (min-width: 992px) {
+            .topnav { height: 56px; }
+        .logo-lg img{ height:50px; }
+        .navbar-custom{ height:60px; }
+        .logo-box .logo{ line-height: 60px; }
+        .navbar-custom .topnav-menu .nav-link{ line-height: 60px; height: 60px; color:#ffffff; }
+        .topnav{ margin-top:55px; height:50px; }
+        }
+        @media (max-width: 991px){
+            .logo-sm img{ height:50px; }
+        }
+        footer{
+            padding:10px 15px 10px!important;
+        }
+        .page-title-box-alt {
+            background-color: transparent;
+            padding: 15px 27px;
+            box-shadow: none;
+            margin-bottom: 0;
+        }
+        .navbar-custom{
+            background-color: #85a7c9;
+            /* background-color: #d44d4dd1; */
+        }
+    
+        .select2-container .select2-selection--single{
+            height: 36px;
+            border:1px solid #ced4da;
+        }
+        .select2-container--default .select2-selection--single .select2-selection__rendered{
+            line-height: 36px;
+        }
+        .select2-container--default .select2-selection--single .select2-selection__arrow{
+            top:4px;
+        }
+
+
+
+        </style>
+
+
+    </head>
+
+    <body class="loading" data-layout-mode="horizontal" data-layout='{"mode": "light", "width": "fluid", "menuPosition": "fixed", "topbar": {"color": "dark"}, "showRightSidebarOnPageLoad": true}'>
+
+        <!-- Begin page -->
+        <div id="wrapper">
+
+            <!-- Topbar Start -->
+        
+            <!-- end Topbar -->
+
+            
\ No newline at end of file
diff --git a/public/assets/images/404.gif b/public/assets/images/404.gif
new file mode 100644
index 0000000..f23f59d
Binary files /dev/null and b/public/assets/images/404.gif differ