diff --git a/app/Http/Controllers/InvoiceController.php b/app/Http/Controllers/InvoiceController.php
index e3b94c3c..a78b6800 100644
--- a/app/Http/Controllers/InvoiceController.php
+++ b/app/Http/Controllers/InvoiceController.php
@@ -93,9 +93,13 @@ class InvoiceController extends Controller
             function ($line) { return $line['total']; },
             $validatedData['lines']
         );
-        $total = array_reduce($subtotalArray, function ($v1, $v2) {
+        $subtotal = array_reduce($subtotalArray, function ($v1, $v2) {
             return $v1 + $v2;
         });
+        $adjustment = $request->adjustment;
+        $billing_charges = $booking->billing_charge;
+        $total = $subtotal + $adjustment + $billing_charges;
+
         if ($total !== $booking->bia) {
             return response()->json([
                 'message' => 'Booking amount expected is '.$booking->bia.'. Your Invoice amount is '.$total
@@ -121,6 +125,7 @@ class InvoiceController extends Controller
         $invoice->address = $validatedData['address'];
         $invoice->contact_no = $validatedData['contact_no'];
         $invoice->po_number = $po_number;
+        $invoice->adjustment = $adjustment;
         $invoice->save();
 
         if (!$invoice) {
@@ -215,10 +220,14 @@ class InvoiceController extends Controller
             function ($line) { return $line['total']; },
             $validatedData['lines']
         );
-        $total = array_reduce($subtotalArray, function ($v1, $v2) {
+        $subtotal = array_reduce($subtotalArray, function ($v1, $v2) {
             return $v1 + $v2;
         });
-        if ($total != $booking->bia) {
+        $adjustment = $request->adjustment;
+        $billing_charges = $booking->billing_charge;
+        $total = $subtotal + $adjustment + $billing_charges;
+
+        if ($total !== $booking->bia) {
             return response()->json([
                 'message' => 'Booking amount expected is '.$booking->bia.'. Your Invoice amount is '.$total
             ], 400);
@@ -235,6 +244,7 @@ class InvoiceController extends Controller
         $invoice->address = $validatedData['address'];
         $invoice->contact_no = $validatedData['contact_no'];
         $invoice->po_number = $po_number;
+        $invoice->adjustment = $adjustment;
         $invoice->save();
 
         if (!$invoice) {