Easy trick for your Airtel to browse and download through your built-in browser. No need to install any software!

 
Create new settings with following details:
Access Point (APN): airtelgprs.com
Homepage: http://0.facebook.com/ (Important!)
Proxy: 208.109.128.144
Port: 80
Leave other fields blank & save the settings.
Now go to the homepage, you will see a proxy page, enter ur site in the box & start the fun! Yes, browse & download for free!
You should always use the homepage to browse, otherwise it will cost :-)

Sometimes it may charge 30ps for you, but usually not more. Do try and tell us your comments.