Aniruddha, Just check the spec, there is no such thing as attribute names with spaces. Validation of a corresponding document should fail. Best regrads, Stefan

Clas, can you use XSLT 2.0 instead 1.0? (If you can control the XSLT engine you use, then switch to SAXON by M. Kaye, from the web-site, you can also download all you need for .NET reuse.) If so, and the so-called Muenchian method is your friend. All you need to know you will find here: http://www.jenitennison.com/xslt/grouping/muenchian.html[^] Best regards, Stefan