In the interests of open e-government, India has widely adopted GNU/Linux in governmental organizations from the legislators to the schools. A recent draft of policy formally gives preference to FLOSS. This has been a long process over the last decade. India has lots of divides and has no need of a digital divide so standardizing on FLOSS works for them.
They are running Debian GNU/Linux, my favourite distro.
nmap -A -T4 www.public-software.in
Starting Nmap 5.00 ( http://nmap.org ) at 2011-09-10 06:18 CDT
Interesting ports on mark.syminet.com (18.104.22.168):
Not shown: 986 closed ports
PORT STATE SERVICE VERSION
80/tcp open http Apache httpd 2.2.16 ((Debian))
|_ html-title: Public Software Centre | Public software for public institutions
Want a chuckle? The Ministry for IT mentions Linux 15 times in its review of budgetary effectiveness but that other OS only once in regards to security…