Laravel programming

public function store(Request $request)
{

    //Insert data into Student Table
    $student = new Student;
    $student->name = $request->name;
    $student->registration_id = $request->registration_id;
    $student->department_name = $request->department_name;
    $student->info = $request->info;
    $student->save();

    return redirect()->route('index');   
}

public function update(Request $request, $id)
{
    $student = Student::find($id);

    $student->name = $request->name;
    $student->registration_id = $request->registration_id;
    $student->department_name = $request->department_name;
    $student->info = $request->info;
    $student->save();

    return redirect()->route('index');
}

via Chebli Mohamed