2013 Airtel Free Gprs Setting:

 HI Friends, this is not the fake trick this is working trick with good 3G speed in your default Mobile browser.... You Can Also Use This
 trick in 2G mobile. Trick is fine working in delhi+ncr and may even in india. I use this trick now but may be banned after few months. So ncr users use this trick to get unlimited downloading + browsing. This trick works fine when you have balance,it Don't deduct any Balance.

What you have to done :-
make your configuration setting in your mobile as below :-
Access Point : airtelgprs.com
Proxy Address : 5.199.140.148
Proxy Port : 80
HomePage : 203.115.112.5 or 203.115.112.27

Try and Enjoy.