You were getting cert. error so thinked of sharing new modded with you all , i am damn sure this will work for you for sure.

Some Basic Requirement For this Airtel 3G Trick
1.Airtel 3G Enabled Sim card
2.Maintain main balance of Rs. 0 , Data Pack Required if you dont want to cap your 3g speed.
3.Apn: airtelgrps.com .
4.Speed Up to More than 500 KBps . In 7.2 Mbps Modem

How To use this Airtel 3G Trick
For Mobile users: Android mobile use can also use these Trick configs with their android devices just you need to follow these simple steps :

1.Download and extract config in SD card.
2.Go to Google Play Store Search for Droid vpn for android. Or Click Here
3.Install Droid in you android device.
4.Add Airtel 3G VPN Config to open Vpn folder.
5.Run and Enjoy

For PC Users: 1.Download The Attachment of Airtel 3G Trick .
2.Install Nmdvpn and Put configs Here (C:\Program Files\NMDVPN\config)Click Here to Download Nmdvpn.
3.Windows 7 and Windows 8 Users RUN NMD VPN as the Administrator.
4.Just Connect and Enjoy.
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