Follow All Steps For free vodafone 3g hack and vodafone gprs trick :-
Account Name : Vodafone_gprs
Homepage : http://live.vodafone.in Or  http://search.conduit.com/?ctid=CT3211779&SearchSource=13
User Name : (no need)
Password : (no need)
Access Point Settings :
Proxy: Enabled
Proxy Address : 10.10.1.100
Proxy Port : 9401 Or 8799
Data Bearer : Packet Data
Bearer Settings :
Packet Data Access Point : portalnmms
Network type : IPV4
Authentication : normal
User Name : (no need)
Password : (no need)

Note: Try This Trick @ Low Balance