Hindi characters not showing up in windows phone 8

I’m trying to add support for hindi for my windows 8 project the text shows up fine in the editor and when I make a metro build but all the hindi characters disappear when building to phone is this not supported? the hindi characters show up fine when added to a text field in the xaml layer over unity.

yes I’m seeing the same thing if I set a up an empty unity project with just a GUIText the hindi characters show up in the editor but are gone when on the phone