diff --git a/app/Controllers/LeadsController.php b/app/Controllers/LeadsController.php
index 0f96da92..c09b0e43 100644
--- a/app/Controllers/LeadsController.php
+++ b/app/Controllers/LeadsController.php
@@ -365,6 +365,7 @@ class LeadsController extends BaseController
     {
         // print_r($this->request->getPost()); die;
         $id = $this->request->getPost('id');
+        $postData = $this->request->getPost();
         $data = $this->prepareLeadData();
         $rules = [
 
@@ -449,6 +450,21 @@ class LeadsController extends BaseController
             ]
         ];
 
+        foreach ($postData as $key => $value) {
+            // Check if the key starts with 'docs_name_'
+            if (strpos($key, 'docs_name_') === 0) {
+                $rules[$key . '.*'] = [
+                    'label'  => 'Document Name',
+                    'rules'  => 'permit_empty|regex_match[/^[a-zA-Z0-9_\- ]+$/]',
+                    'errors' => [
+                        'regex_match' => 'Document Name in {field} can only contain letters, numbers, hyphens, and underscores.'
+                    ]
+                ];
+            }
+        }
+
+        // print_r($rules); die;
+
         if (isset($data['lead_form_type']) && (int)$data['lead_form_type'] === 2) {
             $rules['client_type'] = [
                 'rules'  => 'required',
@@ -793,7 +809,7 @@ class LeadsController extends BaseController
                 'source_policy_end_date'    => $data['source_policy_end_date'] ?? null,
                 'claim_history'             => $data['claim_history'] ?? 0,
 
-                'next_reminder_date'        => $data['next_reminder_date'] ?? 0,
+                'next_reminder_date'        => $data['next_reminder_date'] ?? null,
                 'is_insurer_auto_mail'      => $data['is_insurer_auto_mail'] ?? 0
             ];
         }
diff --git a/app/Controllers/TicketController.php b/app/Controllers/TicketController.php
index 32e2cf34..56842b57 100644
--- a/app/Controllers/TicketController.php
+++ b/app/Controllers/TicketController.php
@@ -1216,37 +1216,51 @@ class TicketController extends BaseController
                 'claim_type' => ['label'  => 'Claim Type','rules'  => 'required',
                     'errors' => ['required' => 'Claim Type is required']
                 ],
-                'hospital_name' => ['label'  => 'Hospital Name','rules'  => 'required',
-                    'errors' => ['required' => 'Hospital Name is required']
+                'hospital_name' => [
+                    'label'  => 'Hospital Name',
+                    'rules'  => 'required|regex_match[/^[a-zA-Z0-9\s\-_.\']+$/]',
+                    'errors' => [
+                        'required'    => 'Hospital Name is required',
+                        'regex_match' => 'The {field} can only contain letters, numbers, spaces, dashes, underscores, dots, and apostrophes.'
+                    ]
                 ],
-                'hospital_address' => ['label'  => 'Hospital Address','rules'  => 'required',
-                    'errors' => ['required' => 'Hospital Address is required']
+                'hospital_address' => [
+                    'label'  => 'Hospital Address',
+                    'rules'  => 'permit_empty|regex_match[/^[a-zA-Z0-9\s\-_.,#\/]+$/]',
+                    'errors' => [
+                        'regex_match' => 'The {field} contains invalid characters (Allowed: letters, numbers, spaces, dashes, commas, dots, # and /).'
+                    ],
                 ],
-                    'hospital_state' => [
-                        'label'  => 'hospital_State',
-                        'rules'  => 'required|regex_match[/^[a-zA-Z\s\-]+$/]',
-                        'errors' => [
-                            'required'    => 'Hospital State is required.',
-                            'regex_match' => 'Hospital State name can only contain letters, spaces, and hyphens.'
-                        ]
-                    ],
-                    'hospital_city' => [
-                        'rules'  => 'required|regex_match[/^[a-zA-Z0-9\s\-]+$/]',
-                        'errors' => [
-                            'required' => 'Hospital City is required',
-                            'regex_match' => 'Hospital City can contain letters, numbers, spaces, and hyphens.'
-                        ]
-                    ],
-                    'hospital_pin_code' => [
-                        'rules'  => 'required|numeric|exact_length[6]',
-                        'errors' => [
-                            'required' => 'Hospital Pincode is required.',
-                            'numeric'      => 'Hospital Pincode must be digits only.',
-                            'exact_length' => 'Hospital Pincode must be exactly 6 digits.'
-                        ]
-                    ],
-                'hospital_phone_no' => ['label'  => 'Hospital Phone','rules'  => 'required|numeric|min_length[10]',
-                    'errors' => ['min_length' => 'Phone number too short']
+                'hospital_state' => [
+                    'label'  => 'Hospital State',
+                    'rules'  => 'permit_empty|regex_match[/^[a-zA-Z\s\-]+$/]',
+                    'errors' => [
+                        'regex_match' => 'Hospital State name can only contain letters, spaces, and hyphens.'
+                    ]
+                ],
+                'hospital_city' => [
+                    'label'  => 'Hospital City', // Added label for consistency
+                    'rules'  => 'permit_empty|regex_match[/^[a-zA-Z\s\-]+$/]',
+                    'errors' => [
+                        'regex_match' => 'Hospital City can only contain letters, spaces, and hyphens.'
+                    ]
+                ],
+                'hospital_pin_code' => [
+                    'label'  => 'Hospital Pincode',
+                    'rules'  => 'permit_empty|numeric|exact_length[6]',
+                    'errors' => [
+                        'numeric'      => 'Hospital Pincode must be digits only.',
+                        'exact_length' => 'Hospital Pincode must be exactly 6 digits.'
+                    ]
+                ],
+                'hospital_phone_no' => [
+                    'label'  => 'Hospital Phone',
+                    'rules'  => 'permit_empty|numeric|min_length[10]|max_length[15]',
+                    'errors' => [
+                        'numeric'    => 'Phone number must contain only digits.',
+                        'min_length' => 'Phone number is too short.',
+                        'max_length' => 'Phone number is too long.'
+                    ]
                 ],
                 'doa' => ['label'  => 'DOA', 'rules'  => 'required',
                     'errors' => ['required' => 'Date of Admission is required']
@@ -1551,23 +1565,51 @@ class TicketController extends BaseController
                 'claim_type' => ['label'  => 'Claim Type','rules'  => 'required',
                     'errors' => ['required' => 'Claim Type is required']
                 ],
-                'hospital_name' => ['label'  => 'Hospital Name','rules'  => 'required',
-                    'errors' => ['required' => 'Hospital Name is required']
+               'hospital_name' => [
+                    'label'  => 'Hospital Name',
+                    'rules'  => 'required|regex_match[/^[a-zA-Z0-9\s\-_.\']+$/]',
+                    'errors' => [
+                        'required'    => 'Hospital Name is required',
+                        'regex_match' => 'The {field} can only contain letters, numbers, spaces, dashes, underscores, dots, and apostrophes.'
+                    ]
                 ],
-                'hospital_address' => ['label'  => 'Hospital Address','rules'  => 'required',
-                    'errors' => ['required' => 'Hospital Address is required']
+                'hospital_address' => [
+                    'label'  => 'Hospital Address',
+                    'rules'  => 'permit_empty|regex_match[/^[a-zA-Z0-9\s\-_.,#\/]+$/]',
+                    'errors' => [
+                        'regex_match' => 'The {field} contains invalid characters (Allowed: letters, numbers, spaces, dashes, commas, dots, # and /).'
+                    ],
                 ],
-                'hospital_city' => ['label'  => 'Hospital City','rules'  => 'required',
-                    'errors' => ['required' => 'City is required']
+                'hospital_state' => [
+                    'label'  => 'Hospital State',
+                    'rules'  => 'permit_empty|regex_match[/^[a-zA-Z\s\-]+$/]',
+                    'errors' => [
+                        'regex_match' => 'Hospital State name can only contain letters, spaces, and hyphens.'
+                    ]
                 ],
-                'hospital_state' => ['label'  => 'Hospital State','rules'  => 'required',
-                    'errors' => ['required' => 'State is required']
+                'hospital_city' => [
+                    'label'  => 'Hospital City', // Added label for consistency
+                    'rules'  => 'permit_empty|regex_match[/^[a-zA-Z\s\-]+$/]',
+                    'errors' => [
+                        'regex_match' => 'Hospital City can only contain letters, spaces, and hyphens.'
+                    ]
                 ],
-                'hospital_pin_code' => ['label'  => 'Hospital Pincode','rules'  => 'required|numeric|exact_length[6]',
-                    'errors' => ['exact_length' => 'Pincode must be 6 digits']
+                'hospital_pin_code' => [
+                    'label'  => 'Hospital Pincode',
+                    'rules'  => 'permit_empty|numeric|exact_length[6]',
+                    'errors' => [
+                        'numeric'      => 'Hospital Pincode must be digits only.',
+                        'exact_length' => 'Hospital Pincode must be exactly 6 digits.'
+                    ]
                 ],
-                'hospital_phone_no' => ['label'  => 'Hospital Phone','rules'  => 'required|numeric|min_length[10]',
-                    'errors' => ['min_length' => 'Phone number too short']
+                'hospital_phone_no' => [
+                    'label'  => 'Hospital Phone',
+                    'rules'  => 'permit_empty|numeric|min_length[10]|max_length[15]',
+                    'errors' => [
+                        'numeric'    => 'Phone number must contain only digits.',
+                        'min_length' => 'Phone number is too short.',
+                        'max_length' => 'Phone number is too long.'
+                    ]
                 ],
                 'doa' => ['label'  => 'DOA', 'rules'  => 'required',
                     'errors' => ['required' => 'Date of Admission is required']
diff --git a/app/Controllers/UserController.php b/app/Controllers/UserController.php
index 3659369b..97ed35bd 100755
--- a/app/Controllers/UserController.php
+++ b/app/Controllers/UserController.php
@@ -114,11 +114,13 @@ class UserController extends AdminController
                 // Employee Code
                 // ======================
                 'emp_code' => [
-                    'rules'  => 'required|min_length[3]|max_length[15]',
+                    'label'  => 'Employee Code',
+                    'rules'  => 'required|min_length[3]|max_length[15]|regex_match[/^[a-zA-Z0-9_\-\/]+$/]',
                     'errors' => [
-                        'required'      => 'Employee Code is required',
-                        'min_length'    => 'Employee Code must be at least 3 characters',
-                        'max_length'    => 'Employee Code cannot exceed 15 characters',
+                        'required'    => 'Employee Code is required',
+                        'min_length'  => 'Employee Code must be at least 3 characters',
+                        'max_length'  => 'Employee Code cannot exceed 15 characters',
+                        'regex_match' => 'Employee Code can only contain letters, numbers, underscores, hyphens, and forward slashes (/).'
                     ]
                 ],
 
@@ -295,11 +297,13 @@ class UserController extends AdminController
                 // Employee Code
                 // ======================
                 'emp_code' => [
-                    'rules'  => 'required|min_length[3]|max_length[15]',
+                    'label'  => 'Employee Code',
+                    'rules'  => 'required|min_length[3]|max_length[15]|regex_match[/^[a-zA-Z0-9_\-\/]+$/]',
                     'errors' => [
-                        'required'      => 'Employee Code is required',
-                        'min_length'    => 'Employee Code must be at least 3 characters',
-                        'max_length'    => 'Employee Code cannot exceed 15 characters',
+                        'required'    => 'Employee Code is required',
+                        'min_length'  => 'Employee Code must be at least 3 characters',
+                        'max_length'  => 'Employee Code cannot exceed 15 characters',
+                        'regex_match' => 'Employee Code can only contain letters, numbers, underscores, hyphens, and forward slashes (/).'
                     ]
                 ],