you will get number of options
5th one is for data plans.
compose a new SMS and write GPRS and send it to 144,
u will get a reply with usage details.
dial *131*98# in you are using 98 recharge
*131*14# if you are using 14 rs recharge
Type SURF VMC and send it to 144
send “USE” to 144.
send it to 144
INTBAL to 144