SVG-Edit is a web based, Open Source, SVG-Editor, You can draw images in vector format and save also. It now support Hindi GUI. You can play with the unstable trunk - http://svg-edit.googlecode.com/svn/trunk/editor/svg-editor.html?lang=hi The language files are json based format, if you feel any changes to be made you can directly write a new file - Hindi version of UI files http://svg-edit.googlecode.com/svn/trunk/editor/locale/lang.hi.js English version http://svg-edit.googlecode.com/svn/trunk/editor/locale/lang.en.js If you want to have translation in other language (ex tamil, telegu etc..) then you can simply submit a new lang.<lang_code>.js file
You can read more on this technique at my blog - "Client Side UI localisation of WebApplications using JSON and Javascipt" http://techfandu.blogspot.com/2009/10/client-side-ui-localisation-of.html