Free Airtel Internet all over Mumbai 3g hack 2012

First download and install VNapNetBuster with .NetFramework 4
Open Vnap Click on Profile Tab and then Edit
Click on URL and Header Tweak and choose Header Tweak
Chech Enable Header Tweak and Click on ADD button
Write HOST:a2.twimg.com or HOST:a3.twimg.com and click OK
save the profile and Start the VNap

Do the above shoiwn settings and enjoy fast internet!