diff --git a/ipi-survey-platform/src/components/survey/ProductData/ProductData.jsx b/ipi-survey-platform/src/components/survey/ProductData/ProductData.jsx
index 4fff821..5ee03dd 100644
--- a/ipi-survey-platform/src/components/survey/ProductData/ProductData.jsx
+++ b/ipi-survey-platform/src/components/survey/ProductData/ProductData.jsx
@@ -563,7 +563,7 @@ useEffect(() => {
               junCost: product.forecast_cost_period_three?.toString() || '0',
               
               // Variation reasons
-              variationReason: product.variation_reason_master_id?.toString() || '',
+              variationReason: product.variation_reason_master_id?.toString() || '0',
               otherVariationReason: product.other_variation_reason || '',
               zeroTargetReason: product.zero_target_reason_master_id?.toString() || '',
               otherZeroTargetReason: product.other_zero_target_reason || '',
@@ -699,7 +699,7 @@ const existingProduct = currentSubmission.products?.find(p =>
       return {
         id: existingProduct?.id || 0,
         product_id: selectedProduct?.product_id || product.product_id || null,
-        unit_id: product.unit?.toString() || '', // Ensure unit_id is a string
+        unit_id: product.unit?.toString() || '0', // Ensure unit_id is a string
         annual_installed_capacity: product.capacity || '0',
         previous_quantity_period_one: product.octQuantity || '0',
         previous_quantity_period_two: product.novQuantity || '0',
@@ -729,10 +729,10 @@ const existingProduct = currentSubmission.products?.find(p =>
         // Next quarter forecast (Q2) - December
         forecast_quantity: product.decQuantity || '0',
         forecast_cost: product.decCost || '0',
-        variation_reason_master_id: product.variationReason || '',
-        other_variation_reason: product.otherVariationReason || '',
-        zero_target_reason_master_id: product.zeroTargetReason || '',
-        other_zero_target_reason: product.otherZeroTargetReason || '',
+        variation_reason_master_id: product.variationReason || '0',
+        other_variation_reason: product.otherVariationReason || '0',
+        zero_target_reason_master_id: product.zeroTargetReason || '0',
+        other_zero_target_reason: product.otherZeroTargetReason || '0',
         remarks: product.remarks || remarks || ''  // Use product.remarks if available, otherwise use the component's remarks state
       };
     });