Bill issued month wise or bimonthly.
Please post as Annexure Jpg screen shot of the usage page showing above details.
Usually only Data used is shown in Summary

Procedure:
Select Go Advanced
scroll down
attachements
Manage Annexures
Upload( screen shot / file jpg etc)
Your bill for December 2010
will show more details BB rent : Rs 500/3= say Rs 170/=
Excess bandwidth used beyond free limit ( 1.5GB/3= say 500MB) @ 80 paise /per MB
Modem rent if applicable.........
Installation charges ..............
Telephone calls ........
Telephone STD/ calls Security Deposit
Telephone rent if applicable
Tax at 10/3% etc.