BSNL 3G offers prepaid internet facility with a speed of 3.6 Mbps.
Basic settings to get 3G service in your Handset.
First of all You should have 3G mobile handset and 3G enabled SIM. In your Mobile settings go to Network mode and select UMTS/Automode. Restart your handset manually, after restart 3G symbol will be displayed below Signal bar.