I asume you want to put the subtitles on a movie and create a VCD or a SVCD to play on an stand alone DVD player.
So, go here and read :
http://www.dvdrhelp.com/guides?tools...or+List+Guides
I recommend this one :
http://www.dvdrhelp.com/forum/userguides/87065.php
scenario 2 is very easy to use.
Good Luck.