There are two different system one is P2.2 that is old one and other one is P3 i.e Multiply system.
check account usage is totally different in both system
type ur user name and password
login, and click service records.Check usage for particular Month
u Know we r having two username for P2.2
One for connecting to internet and other for checking usage and password is same
for MULTIPLY system
In this also we are having two different username i.e. one is service user i.d. for connecting to internet and other is portal i.d. for usage check.
For checking usage and password change for both portal and service user i.d.
go to data.bsnl.in
write ur portal i.d and password
Go In profile section if you want to change ur portal password
If you want to change ur service user i.d password
Go in my services and change ur service user password
If u find it helpful then reply.
Sometime it is neccessary to run before u walk