Facebook is not accessible from India, though mobile version of the site is working fine. Some of you even asked us if Facebook is blocked in India (on Government order), but that’s not really the case. Some of the other geographies like Australia, Germany too are facing downtime issues.
So stop hitting the refresh button and go get some work done.
Aside, try changing your DNS (switch to Google DNS, i.e. configure your network settings to use the IP addresses 220.127.116.11 and 18.104.22.168 as your DNS servers) – it might just work.
Update: It’s UP. Go poke.