diff --git a/app/Controllers/ClientController.php b/app/Controllers/ClientController.php
index b0e59d7a..ad3b28d1 100755
--- a/app/Controllers/ClientController.php
+++ b/app/Controllers/ClientController.php
@@ -1145,8 +1145,16 @@ class ClientController extends AdminController
         $this->myLogger->logme('error', 'Create Client KYC function called');
         
         $rules = [
-            'file_name' => [
-                'rules'  => 'uploaded[file_name]|max_size[file_name,5120]|ext_in[file_name,pdf,jpg,jpeg,png]',
+            'other_docs_name.*' => [
+                'label'  => 'Documents Name',
+                'rules'  => 'permit_empty|regex_match[/^[a-zA-Z0-9_\- ]+$/]',
+                'errors' => [
+                    'regex_match' => 'Document Name can only contain letters, numbers, hyphens, and underscores'
+                ]
+            ],
+
+            'file_name.*' => [
+                'rules'  => 'uploaded[file_name.*]|max_size[file_name.*,5120]|ext_in[file_name.*,pdf,jpg,jpeg,png]',
                 'errors' => [
                     'uploaded' => 'KYC document file is required',
                     'max_size' => 'File size should not exceed 5MB',
diff --git a/app/Controllers/LeadsController.php b/app/Controllers/LeadsController.php
index dc577af0..092003a4 100644
--- a/app/Controllers/LeadsController.php
+++ b/app/Controllers/LeadsController.php
@@ -392,12 +392,15 @@ class LeadsController extends BaseController
                 'errors' => ['required' => 'Entity Type is required']
             ],
             'client_name' => [
-                'rules'  => 'required',
-                'errors' => ['required' => 'Client Name is required']
+                'rules'  => 'required|regex_match[/^[a-zA-Z0-9_ -]+$/]',
+                'errors' => [
+                    'required'    => 'Client Name is required',
+                    'regex_match' => 'Client Name only letters, numbers and characters _ - and space are allowed'
+                ]
             ],
             'client_short_name' => [
-                'rules'  => 'required',
-                'errors' => ['required' => 'Client Short Name is required']
+                'rules'  => 'required|regex_match[/^[a-zA-Z0-9_-]+$/]',
+                'errors' => ['required' => 'Client Short Name is required','regex_match' => 'Client Short Name only letters, numbers and characters _ and - are allowed']
             ],
             'gst' => [
                 'rules'  => 'required',
@@ -412,18 +415,25 @@ class LeadsController extends BaseController
                 'errors' => ['required' => 'Branch Code is required']
             ],
             'contact_person_name' => [
-                'rules'  => 'required',
-                'errors' => ['required' => 'Contact Person Name is required']
+                'rules'  => 'required|regex_match[/^[a-zA-Z0-9_ -]+$/]',
+                'errors' => [
+                    'required'    => 'Contact Person Name is required',
+                    'regex_match' => 'Contact person name only letters, numbers and characters _ - and space are allowed'
+                ]
             ],
             'contact_person_mobile' => [
                 'rules'  => 'required',
-                'errors' => ['required' => 'Contact Person Mobile is required']
+                'rules'  => 'required|regex_match[/^[0-9]+$/]',
+                'errors' => ['required' => 'Contact Person Mobile is required' , 
+                'regex_match' => 'Contact Person Mobile Only numbers'
+                ]
             ],
             'contact_person_email' => [
-                'rules'  => 'required|valid_email',
+                'rules'  => 'required|valid_email|regex_match[/^[a-zA-Z0-9_-]+$/]',
                 'errors' => [
                     'required' => 'Contact Person Email is required',
-                    'valid_email' => 'Please enter a valid email address'
+                    'valid_email' => 'Please enter a valid email address',
+                    'regex_match' => 'Contact Person Email Only letters, numbers and characters _ - @ . are allowed'
                 ]
             ],
             'salse_person_id' => [
diff --git a/app/Controllers/PolicyTransactionController.php b/app/Controllers/PolicyTransactionController.php
index 62a75808..efc3efcd 100644
--- a/app/Controllers/PolicyTransactionController.php
+++ b/app/Controllers/PolicyTransactionController.php
@@ -1012,11 +1012,12 @@
                     'calc_policy_issue_date.*' => ['label' => 'Policy Issue Date', 'rules' => 'required','errors' => [ 'required' => 'Policy Issue Date is required' ]],
                     'co_share_per.*'           => ['label' => 'Co-Share %', 'rules' => 'permit_empty|decimal','errors' => ['decimal' => 'Co-Share % must be a valid decimal.']],
                     'non_comm_per_amt.*'       => ['label' => 'Non-Comm Premium', 'rules' => 'permit_empty|decimal','errors' => ['decimal' => 'Amount must be numeric.']],
-                    'base_premium.*'           => ['label' => 'Base Premium', 'rules' => 'required|numeric|differs[0]','errors' => [
-                            'required' => 'Base Premium is required.',
-                            'numeric'  => 'Base Premium must be a valid number.',
-                            'differs'  => 'Base Premium cannot be zero; please enter a positive or negative value.'
-                            ]],
+                    'base_premium.*'           => ['label' => 'Base Premium', 'rules' => 'required|regex_match[/^-?\d+(\.\d+)?$/]|differs[0]',
+                                                'errors' => [
+                                                    'required'    => 'Base Premium is required.',
+                                                    'regex_match' => 'Base Premium must be a valid positive or negative number.',
+                                                    'differs'     => 'Base Premium cannot be zero.'
+                                                ]],
                     'tp_premium.*'             => ['label' => 'TP Premium', 'rules' => 'permit_empty|decimal','errors' => ['decimal' => 'TP Premium must be numeric.']],
                     'ter_premium.*'            => ['label' => 'TEP Premium', 'rules' => 'permit_empty|decimal','errors' => ['decimal' => 'TEP Premium must be numeric.']],
                     'co_premium.*'             => ['label' => 'Co-Premium', 'rules' => 'permit_empty|decimal','errors'=> ['decimal' => 'Co-Premium must be numeric.']],
@@ -2482,11 +2483,11 @@
                     ],
                     'base_premium.*' => [
                         'label'  => 'Base Premium',
-                        'rules'  => 'required|numeric|differs[0]',
-                        'errors' => [
-                            'required' => 'Base Premium is required.',
-                            'numeric'  => 'Base Premium must be a valid number.',
-                            'differs'  => 'Base Premium cannot be zero; please enter a positive or negative value.'
+                        'rules' => 'required|regex_match[/^-?\d+(\.\d+)?$/]|differs[0]',
+                                                'errors' => [
+                                                    'required'    => 'Base Premium is required.',
+                                                    'regex_match' => 'Base Premium must be a valid positive or negative number.',
+                                                    'differs'     => 'Base Premium cannot be zero.'
                         ]
                     ],
                     'total.*' => [