you can find what the /index:2 stands for after typing in the following command :

Dism /Get-WimInfo /WimFile:D:\install.wim

It should be looking similar (you need to choose Windows Vista Home Premium X86):

http://i.stack.imgur.com/uceal.png

Use your pen drive with vista32 rc.iso, we need recovery dvd only to get a windows system files and then using this command

sfc /scannow /offbootdir=C:\ /offwindir=C:\windows

to restore missing windows files.