If you want to redirect from http to https in CakePHP, generally redirect method code is like this:
$this->redirect(array("controller" => "myController","action" =>t; "myAction"));
But if your site is running on http protocol it will redirect to the url with http protocol:
‘http://www.kailash.com/myController/myAction’
If you want to redirect it to https url write code as:
$this->redirect(https://www.kailash.com/myController/myAction);