diff --git a/app/Filament/Exports/WorkGroupMasterExporter.php b/app/Filament/Exports/WorkGroupMasterExporter.php
new file mode 100644
index 0000000..ef1ff60
--- /dev/null
+++ b/app/Filament/Exports/WorkGroupMasterExporter.php
@@ -0,0 +1,54 @@
+<?php
+
+namespace App\Filament\Exports;
+
+use App\Models\WorkGroupMaster;
+use Filament\Actions\Exports\ExportColumn;
+use Filament\Actions\Exports\Exporter;
+use Filament\Actions\Exports\Models\Export;
+
+class WorkGroupMasterExporter extends Exporter
+{
+    protected static ?string $model = WorkGroupMaster::class;
+
+    public static function getColumns(): array
+    {
+        static $rowNumber = 0;
+        return [
+            ExportColumn::make('no')
+                ->label('NO')
+                ->state(function ($record) use (&$rowNumber) {
+                    // Increment and return the row number
+                    return ++$rowNumber;
+                }),
+            ExportColumn::make('plant.name')
+            ->label('PLANT'),
+            ExportColumn::make('name')
+            ->label('NAME'),
+            ExportColumn::make('description')
+            ->label('DESCRIPTION'),
+            ExportColumn::make('operation_number')
+            ->label('OPERATION NUMBER'),
+            ExportColumn::make('created_by')
+            ->label('CREATED BY'),
+            ExportColumn::make('created_at')
+            ->label('CREATED AT'),
+            ExportColumn::make('updated_at')
+            ->label('UPDATED AT'),
+            ExportColumn::make('deleted_at')
+            ->label('DELETED AT')
+            ->enabledByDefault(false),
+        ];
+    }
+
+    public static function getCompletedNotificationBody(Export $export): string
+    {
+        $body = 'Your work group master export has completed and ' . number_format($export->successful_rows) . ' ' . str('row')->plural($export->successful_rows) . ' exported.';
+
+        if ($failedRowsCount = $export->getFailedRowsCount()) {
+            $body .= ' ' . number_format($failedRowsCount) . ' ' . str('row')->plural($failedRowsCount) . ' failed to export.';
+        }
+
+        return $body;
+    }
+}
diff --git a/app/Filament/Imports/WorkGroupMasterImporter.php b/app/Filament/Imports/WorkGroupMasterImporter.php
new file mode 100644
index 0000000..c46ff79
--- /dev/null
+++ b/app/Filament/Imports/WorkGroupMasterImporter.php
@@ -0,0 +1,154 @@
+<?php
+
+namespace App\Filament\Imports;
+
+use App\Models\Plant;
+use App\Models\User;
+use App\Models\WorkGroupMaster;
+use Filament\Actions\Imports\Exceptions\RowImportFailedException;
+use Filament\Actions\Imports\ImportColumn;
+use Filament\Actions\Imports\Importer;
+use Filament\Actions\Imports\Models\Import;
+use Str;
+
+class WorkGroupMasterImporter extends Importer
+{
+    protected static ?string $model = WorkGroupMaster::class;
+
+    public static function getColumns(): array
+    {
+        return [
+            ImportColumn::make('plant')
+                ->requiredMapping()
+                ->exampleHeader('Plant Name')
+                ->example('Ransar Industries-I')
+                ->label('Plant Name')
+                ->relationship(resolveUsing:'name')
+                ->rules(['required']),
+            ImportColumn::make('name')
+                ->requiredMapping()
+                ->exampleHeader('Name')
+                ->example('RMGCEABC')
+                ->label('Name')
+                ->rules(['required']),
+            ImportColumn::make('description')
+                ->requiredMapping()
+                ->exampleHeader('Description')
+                ->example('Testing Model 1')
+                ->label('Description')
+                ->rules(['required']),
+            ImportColumn::make('operation_number')
+                ->requiredMapping()
+                ->exampleHeader('Operation Number')
+                ->example('0020')
+                ->label('Operation Number')
+                ->rules(['required']),
+            ImportColumn::make('created_by')
+                ->requiredMapping()
+                ->exampleHeader('Created By')
+                ->example('Admin')
+                ->label('Created By')
+                ->rules(['required']),
+        ];
+    }
+
+
+
+    public function resolveRecord(): ?WorkGroupMaster
+    {
+        // return WorkGroupMaster::firstOrNew([
+        //     // Update existing records, matching them by `$this->data['column_name']`
+        //     'email' => $this->data['email'],
+        // ]);
+        $warnMsg = [];
+        $plant = Plant::where('name', $this->data['plant'])->first();
+        if (!$plant) {
+            $warnMsg[] = "Plant not found";
+        }
+
+        if (Str::length($this->data['name']) < 0) {  //|| !ctype_alnum($this->data['description'])
+            $warnMsg[] = "Invalid name found";
+        }
+
+        if (Str::length(trim($this->data['description'])) <= 0) {
+            $warnMsg[] = "Invalid description found";
+        }
+
+        $desc = trim($this->data['description']);
+
+        if (Str::length($desc) > 44) {
+            $warnMsg[] = "Description should be less than 44 digits.";
+        }
+
+        if (Str::length($this->data['operation_number']) < 0) {
+            $warnMsg[] = "Invalid operation number found";
+        }
+
+        if(!is_numeric($this->data['operation_number']))
+        {
+            $warnMsg[] = "Invalid operation number found must be numeric";
+        }
+
+        $user = User::where('name', $this->data['created_by'])->first();
+        if (!$user) {
+            $warnMsg[] = "Operator ID not found";
+        }
+
+        if (!empty($warnMsg)) {
+            throw new RowImportFailedException(implode(', ', $warnMsg));
+        }
+        else
+        {
+           //Check (plant_id, name)
+            $existingByName = WorkGroupMaster::where('plant_id', $plant->id)
+                ->where('name', $this->data['name'])
+                ->first();
+
+            if ($existingByName) {
+                throw new RowImportFailedException("Work group name already exists for this plant!");
+            }
+
+            //Check (plant_id, operation_number)
+            $existingByOpNum = WorkGroupMaster::where('plant_id', $plant->id)
+                ->where('operation_number', $this->data['operation_number'])
+                ->where('name', $this->data['name'])
+                ->first();
+
+            if ($existingByOpNum) {
+                throw new RowImportFailedException("Operation number already exists for this plant!");
+            }
+
+            //Check (plant_id)
+            $existingByOperator = WorkGroupMaster::where('plant_id', $plant->id)
+                ->where('name', $this->data['name'])
+                ->first();
+
+            if ($existingByOperator) {
+                throw new RowImportFailedException("Already work group name assigned to another plant!");
+            }
+        }
+
+        WorkGroupMaster::updateOrCreate([
+            'plant_id' => $plant->id,
+            'name' => $this->data['name'],
+            'description' => $this->data['description'],
+            'operation_number' => $this->data['operation_number'],
+            'created_by' => $this->data['created_by'],
+        ]);
+
+        return null;
+
+        //return new WorkGroupMaster();
+    }
+
+    public static function getCompletedNotificationBody(Import $import): string
+    {
+        $body = 'Your work group master import has completed and ' . number_format($import->successful_rows) . ' ' . str('row')->plural($import->successful_rows) . ' imported.';
+
+        if ($failedRowsCount = $import->getFailedRowsCount()) {
+            $body .= ' ' . number_format($failedRowsCount) . ' ' . str('row')->plural($failedRowsCount) . ' failed to import.';
+        }
+
+        return $body;
+    }
+}