HOW TO SET UP INTERNET CONNECTION FOR IDEA AIRTEL VODAFONE AND AIRCEL ?

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Set up GPRS Connection

When internet connection some how does not work we look for an alternative and here is the solution that is set up an internet connection over Bluetooth.
For setting up an internet connection over Bluetooth, all you need is a mobile phone with bluetooth and an active GPRS pack subscribed.
One more thing, you must have Bluetooth in your Laptop/Computer. If you don’t have bluetooth in your computer, get a Bluetooth device from market.
Now I assume that you’re having Bluetooth in your computer as well.
Adding your Device
Turn on your mobile’s bluetooth.

Right click on the bluetooth icon and click on “Add a Device”. The following appears :
Select your device and click Next.
Pair up your mobile phone with Windows by entering the code and complete the installation of your device(mobile phone).
After adding your device, go to the Control Panel and select Phone and Modem.
If you have’nt configured your “Phone and modem” from Control panel before, configure it by selecting country which you live in my case as India and enter the Area code = 91.                                
Click on the Modems tab.                                
Select “Standard Modem over Bluetooth link” and click on Properties. A “Standard Modem over Bluetooth link Properties” dialog box appears:
Click on “Change Settings”.
Click on the “Advanced” tab in the new window of “Standard Modem over Bluetooth link Properties.
Enter the Extra initialization commands:
AT+CGDCONT=1,”IP”,”internet”
(This command is for Idea users only(i.e. people who are using Idea SIM card in their phone and having Internet plan activated)
[For Airtel users:
AT+CGDCONT=1,”IP”,”airtelgprs.com”
For Aircel users:
AT+CGDCONT=1,”IP”,”aircelgprs”
For Vodafone users:
AT+CGDCONT=1,”IP”,”www”]
Click OK. A confirmation may be there on your mobile phone. Just select “Yes” if prompted.
Now  your mobile phone is completely configured with your computer.
Setting up a New Connection or Network
Go to Control Panel and click on Network and Sharing Center.
Click on Set up a new connection or network.
Click on “Set up a dial-up connection” and click Next.
Enter the Dial-up phone number as *99# for IDEA
*99***1# for Aircel,
Leave the Username and Password blank.
Enter the Connection name = Idea (or anything you want). You can give any name to your connection.
Click on Connect.
That’s all. If you are prompted in your mobile phone to connect, select “Yes”.
Enjoy!! Your Internet connection is established.