[eluser]pallavi312[/eluser]
hello,
i have addded header also like this
header("Pragma: no-cache");
header("Expires: Thu, 19 Nov 1981 08:52:00 GMT");
header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
header("Cache-Control: no-store, no-cache, must-revalidate");
header("Cache-Control: no-cache");
header("Content-Transfer-Encoding: binary");