3G 2G Internet Tethering on Airtel/ Indian networks
any other device that you'd like to connect.
On the iPhone iOS 5 , you will need to enable the 'Personal Hotspot' option (Settings->General->Network->Personal Hotspot -> Slide switch to ON.
Now you can connect your laptop to the phone with USB/wifi and start accessing internet straight away.
No special network configuration on the laptop is required.
If you see the 'Personal Hotspot' option but get a message "To enable personal hotspot please contact Airtel " insttead of "on/off slide", simply go the previous screen and return back to the network page
and you will see the on/off slide. If not, repeat process with restart.
No call to airtel is required to enable.