Turn OFF Caching for specific file with the help of .htaccess

Was just searching how to turn off cache for some of the file got the code so thought of sharing with you guys.

<# Files ansarahmed.css #>
<# IfModule mod_headers.c #>
Header set Cache-Control "must-revalidate"
<# /IfModule #>
<# /Files #>

Note:- Please remove hashes(#). Blogger is not allowing me to post the code sorry.