CHECK BSNL 2G AND 3G DATA USAGE

I read many posts by many people giving me different
numbers to check my
usage. but nothing
workded for me. either it
says wrong numbber or it says recharge not possible.
i finally found a way to
check for 2g data usage....
Here it Comes By Sending sms with the
content

DATA2G to 53733

clearly worked for me in
Kannur circle.... Check In Your states For 3G users send as
follows
DATA3G to 53733
I dont Checked It, check and reply