TechnoSlab

Just like facebook ( 0.facebook.com ), airtel is now offering free twitter to it's users.

Now get in touch with your freinds and family, celebrities and other wonderful people from across the globe on twitter without worrying about data charges because it's free on airtel GPRS till march 2012.
To avail this promotional offer simply point your phone's browser to http://mobile.twitter.com or SMS NOW
 to 53000 to receive a link to mobile twitter.

From: Airtel.in/twitter

Just install this application from Android market to use your phone as Walkie Talkie. It's similar to a Push to Talk application but  it also has other interesting features like Group chat, photo and location sharing plus it's a free app with no annoying advertisements..

Use these configs in mobile or PC

APN: airtelgprs.com
Proxy: 150.161.2.9
Port: 80
Homepage: http://150.161.2.9

Works good in mobile and PC. :)

Apn : airtelgprs.com
Port : 80
Homepage : 0.facebook.com
PROXY : (Any one of the following)
LETMETHRUTHIS.COM
VECTROPROXY.COM TUNNELNOW.INFO
WONTSTOPUS.COM
UNBLOCK-YT.COM
SPEEDZEBRA.INFO
PROXYFREEWEBS.INFO
GOAHEADMAKEMYDAY.ORG
SDEEDOMETERSERVER.INFO
Keep balance below 30p.
Working in W.B/Bihar.

Create new setting
APN:airtelgprs.com
Proxy:199.119.224.213
Port: 80
HP:http://0.facebook.com
Now open homepage in your phone's default browser or any other non-proxy browser like opera mobile. Enjoy surfing and downloading for free