<head>
<METAHTTP-EQUIV="Pragma"CONTENT="no-cache">
<METAHTTP-EQUIV="Expires"CONTENT="-1">
Add the above tag's in head and check.
<head>
<METAHTTP-EQUIV="Pragma"CONTENT="no-cache">
<METAHTTP-EQUIV="Expires"CONTENT="-1">
Add the above tag's in head and check.