Microsoft Office and Vista are Available in Sinhala Now

MS Vista & MS Office 2007 are Sinhala enabled now. It is not Complete version of Vista or Office. It's User Interface modifications. You have to download the language pack.
Following links use the download it.

Vista Language Pack
www.microsoft.com/srilanka/WindowsVistaInSinhala.aspx

Office Language Pack
www.microsoft.com/srilanka/Office2007InSinhala.aspx

For More Details Visit following links.
www.locallanguages.lk
www.siyabas.lk