RELIANCE t9Space Trick to use free GPRS:
just open
http://10.239.php.t9space.com

SettinG for RIM:
APN- rcomwap
IP- 10.239.221.5
Port-8080

or,

SettinG for SMART:
APN- smartwap
IP- 10.239.221.7
Port-8080

keep balance below 0.30/paisa