Error "configured php path is invalid" while csv importing

I am getting the following message in error log :
2015-05-28T11:58:01+02:00 ERR (3): exception 'RuntimeException' with message 'The configured PHP path (C:\xampp\php) is invalid.' in C:\xampp\htdocs\omeka-2.3\application\libraries\Omeka\Job\Process\Dispatcher.php:115
Stack trace:
#0 C:\xampp\htdocs\omeka-2.3\application\libraries\Omeka\Job\Process\Dispatcher.php(94): Omeka_Job_Process_Dispatcher::_checkCliPath('C:\\xampp\\php')
#1 C:\xampp\htdocs\omeka-2.3\application\libraries\Omeka\Job\Process\Dispatcher.php(28): Omeka_Job_Process_Dispatcher::getPHPCliPath()
#2 C:\xampp\htdocs\omeka-2.3\application\libraries\Omeka\Job\Dispatcher\Adapter\BackgroundProcess.php(31): Omeka_Job_Process_Dispatcher::startProcess('Omeka_Job_Proce...', Object(User), Array)
#3 C:\xampp\htdocs\omeka-2.3\application\libraries\Omeka\Job\Dispatcher\Default.php(150): Omeka_Job_Dispatcher_Adapter_BackgroundProcess->send('{"className":"C...', Array)
#4 C:\xampp\htdocs\omeka-2.3\plugins\CsvImport\controllers\IndexController.php(393): Omeka_Job_Dispatcher_Default->sendLongRunning('CsvImport_Impor...', Array)
#5 C:\xampp\htdocs\omeka-2.3\plugins\CsvImport\controllers\IndexController.php(135): CsvImport_IndexController->_dispatchImportTask(Object(CsvImport_Import), 'start')
#6 C:\xampp\htdocs\omeka-2.3\application\libraries\Zend\Controller\Action.php(516): CsvImport_IndexController->mapColumnsAction()
#7 C:\xampp\htdocs\omeka-2.3\application\libraries\Zend\Controller\Dispatcher\Standard.php(308): Zend_Controller_Action->dispatch('mapColumnsActio...')
#8 C:\xampp\htdocs\omeka-2.3\application\libraries\Zend\Controller\Front.php(954): Zend_Controller_Dispatcher_Standard->dispatch(Object(Zend_Controller_Request_Http), Object(Zend_Controller_Response_Http))
#9 C:\xampp\htdocs\omeka-2.3\application\libraries\Zend\Application\Bootstrap\Bootstrap.php(105): Zend_Controller_Front->dispatch()
#10 C:\xampp\htdocs\omeka-2.3\application\libraries\Zend\Application.php(382): Zend_Application_Bootstrap_Bootstrap->run()
#11 C:\xampp\htdocs\omeka-2.3\application\libraries\Omeka\Application.php(79): Zend_Application->run()
#12 C:\xampp\htdocs\omeka-2.3\admin\index.php(28): Omeka_Application->run()
#13 {main}

I don't understand which php path it is asking?

It's looking for the Command Line Interface. Doing which php on the command line might tell you the correct path.

Finally resolved the issue. It was lying under the folder /xampp/php/perl.