diff --git a/src/components/forms/DynamicForm.tsx b/src/components/forms/DynamicForm.tsx
index 9fb473e..aa77edd 100644
--- a/src/components/forms/DynamicForm.tsx
+++ b/src/components/forms/DynamicForm.tsx
@@ -382,6 +382,17 @@ export function DynamicForm({ client, activityId: initialActivityId, instanceId:
         finalValues[actionField.id] = clickedActionRef.current;
       }
 
+      for (const f of fields) {
+        if (f.mandatory && f.data_type === 'grid') {
+          const val = finalValues[f.id];
+          if (!Array.isArray(val) || val.length === 0) {
+            setSubmitError(`Please add at least one item to ${f.name}`);
+            setSubmitting(false);
+            return;
+          }
+        }
+      }
+
       for (const f of fields) {
         let val = finalValues[f.id];
         const isNotesOrRemarks = (f.id || '').toLowerCase().includes('notes') || (f.id || '').toLowerCase().includes('remarks') || (f.name && ((f.name || '').toLowerCase().includes('notes') || (f.name || '').toLowerCase().includes('remarks')));
@@ -639,11 +650,13 @@ export function DynamicForm({ client, activityId: initialActivityId, instanceId:
           if (type.startsWith('grid')) {
             return (
               <SmartGridField
+                key={f.id}
                 label={f.name}
                 columns={f.columns || []}
                 value={(val as Record<string, unknown>[]) || []}
                 onChange={(newVal) => handleFieldChange(f.id, newVal)}
                 isActivityPotentialMining={currentActivityId === ORDER_BOOKING.activities.POTENTIAL_MINING.uid}
+                required={f.mandatory}
               />
             );
           }
diff --git a/src/components/forms/fields/SmartGridField.tsx b/src/components/forms/fields/SmartGridField.tsx
index 86c2372..ef67250 100644
--- a/src/components/forms/fields/SmartGridField.tsx
+++ b/src/components/forms/fields/SmartGridField.tsx
@@ -11,12 +11,14 @@ export function SmartGridField({
   value = [],
   onChange,
   isActivityPotentialMining = false,
+  required = false,
 }: {
   label: string;
   columns: FormScreenField[];
   value: Record<string, unknown>[];
   onChange: (val: Record<string, unknown>[]) => void;
   isActivityPotentialMining?: boolean;
+  required?: boolean;
 }) {
   const isPotentialMining = isActivityPotentialMining;
   const formRef = useRef<HTMLDivElement>(null);
@@ -261,7 +263,10 @@ export function SmartGridField({
 
   return (
     <div className="flex flex-col gap-2 font-sans border border-slate-200 rounded-2xl p-4 bg-card shadow-sm mt-2">
-      <span className="text-sm font-semibold text-strong mb-2">{label}</span>
+      <span className="text-sm font-semibold text-strong mb-2">
+        {label}
+        {required && <span className="text-ruby-600"> *</span>}
+      </span>
       
       {value.length === 0 ? (
         <span className="text-sm text-faint italic">No rows added.</span>