Hi friends ,
Here's a simple trick to use free internet on pc using Airtel Mobile Office office at <30 ps.
Here's Simple steps..
1.Activate mobile office service (0 rentel plan)
2.Connect u r phon to pc nd conect to the internet using pc suit (apn=airtelgprs.com)
3.Then, open opera browser on pc.
4.Goto-Tools>prefrernces>advance>network>proxy servers.
5.Tick http nd enter these settings
96.31.65.82
port-80
6.Save the settings and goto http://wap.google.com
or wap.yahoo.com

You are done!.
Enjoy free net on PC