ppm repositories.. EDIT
activestate.com ---http://ppm4.activestate.com/MSWin32-x86/5.14/1400/
trouchelle.com ----http://trouchelle.com/ppm14/
I couldn't find XSLT ppm..it shows ppm build fail.
http://code.activestate.com/ppm/XML-LibXSLT/
I contacted with activestate support but they are not helping much.
This is full url where I downloaded tar files...as mentioned by marto... ftp://ftp.zlatkovic.com/libxml/
version libxslt-1.1.26.win32 I am using...
thanks