diff --git a/Client-Side Components/Catalog Client Script/PAN Validation/PAN Validation.js b/Client-Side Components/Catalog Client Script/PAN Validation/PAN Validation.js
index f566c0909b..ab6834fe8c 100644
--- a/Client-Side Components/Catalog Client Script/PAN Validation/PAN Validation.js	
+++ b/Client-Side Components/Catalog Client Script/PAN Validation/PAN Validation.js	
@@ -4,8 +4,9 @@ function onChange(control, oldValue, newValue, isLoading, isTemplate) {
     }
     var panNumber = g_form.getValue("pan_number"); //Get the PAN card information
     var panRegex = /^[A-Z]{5}[0-9]{4}[A-Z]{1}$/; // Regex for the PAN Card
+    var panRegexAllCases = new RegExp(panRegex, "gim"); // Regex for checking PAN card in all cases(UPPER,lower,miXeD) and multiline text fields.
 
-    if (panRegex.test(panNumber)) {
+    if (panRegexAllCases.test(panNumber)) {
         g_form.showFieldMsg("pan_number", "Valid PAN card number.", true); //Valid PAN card enterd populates this message 
     } else {
         g_form.showErrorBox("pan_number", "InValid PAN card number.", true); //In Valid PAN card details enterd populate this message 
diff --git a/Client-Side Components/Catalog Client Script/PAN Validation/README.md b/Client-Side Components/Catalog Client Script/PAN Validation/README.md
index 1d495cafd2..7beb96656d 100644
--- a/Client-Side Components/Catalog Client Script/PAN Validation/README.md	
+++ b/Client-Side Components/Catalog Client Script/PAN Validation/README.md	
@@ -1,3 +1,10 @@
+Enhancement 7th october 2025.
+************************
+1. This code can now be used to validate PAN card in multiline text fields.
+2. This code can now validate PAN in upper, lower, mixed cases.
+3. This will provide more flexibility to users to add pan number as it is valid in both lower and upper cases.
+***********************
+
 PAN is a ten-digit unique alphanumeric number issued by the Income Tax Department.
 Indian PAN (Permanent Account Number) card based on its standardized format. 
 A PAN number is a unique 10-character alphanumeric identifier issued by the Indian government, and it follows a specific structure: