diff --git a/1.html b/1.html
index c2962a4..767c774 100644
--- a/1.html
+++ b/1.html
@@ -324,6 +324,28 @@
           }
         }
       }
+
+      // Fix subtotal calculation when tax is present
+      let subtotalRow = document.querySelector('.total-row.subtotal span:last-child');
+      let taxRow = document.querySelector('.total-row:not(.subtotal):not(.grand-total) span:last-child');
+      let totalRow = document.querySelector('.total-row.grand-total span:last-child');
+      
+      if (subtotalRow && taxRow && totalRow) {
+        // Extract numeric values
+        let subtotalText = subtotalRow.textContent.trim().replace(/[^\d.]/g, '');
+        let taxText = taxRow.textContent.trim().replace(/[^\d.]/g, '');
+        let totalText = totalRow.textContent.trim().split(' ')[0].replace(/[^\d.]/g, '');
+        
+        let subtotalNum = parseFloat(subtotalText);
+        let taxNum = parseFloat(taxText);
+        let totalNum = parseFloat(totalText);
+        
+        // If subtotal equals total, calculate actual subtotal (total - tax)
+        if (Math.abs(subtotalNum - totalNum) < 0.01 && taxNum > 0) {
+          let actualSubtotal = totalNum - taxNum;
+          subtotalRow.textContent = formatIndianNumber(actualSubtotal.toFixed(2));
+        }
+      }
     });
   </script>
 </head>