Just download any font you want,copy that file into windows-fonts, soft reset
It will only allow you to TYPE devnagari and NOT VIEW webpages in Devnagari and you won't be able to READ Devnagari ebooks ( are they available yet?).
Correct me if I'm wrong...it will be really great if you accomplish that on WM.
(O2Exec)WM6.1,128MBRAM Cotulla Q3
Windows 7 Ultimate32Bit/ Windows 8 Pro Dual Boot
ASUS commando motherboard
Core 2 duo 2.2, 4 GB RAM, 1TB HDD
Yes,I like my Exec than all other PPCs;I like it more after upgrading it to 128 MB.....motherboard upgaded by Tomal.