BSNL is the first operator to launch 3G in India. Only BSNL have Pan India 3G license. BSNL network providing you 3G speed with 2G plan. No need of hack, no need to enter some IP address or change some setting.
IF you have a 3G mobile phone and a 2G Gprs pack activated , then you can enjoy 3G speed in 2G plan
If you will be in 3G network and 3G service is enable in your mobile, you will experience super fast browsing and downloading speed.
Downloading speed might be low in browser default download manager.
To increase downloading speed you can download "Download Accelerator Plus (DAP)" it will double your download speed in 3G network.
So you can enjoy fast internet with BSNL network at low price