Airtel - free browsing and downloading using handler

Do following settings in any handler application and enjoying free browsing/downloading on airtel.

Access point settings:
apn: airtelgprs.com
proxy: 80.239.242.253
port: 80

Handler settings:
http server: http://server4.operamini.com
socket server: socket://server4.operamini.com
proxy type: http
proxy host: 0.facebook.com

Tested in north circle.

Enjoy !