Step By Instructions to Check Your Bsnl Broadband Usage
If you are you are a BSNL broadband customer, it is always good to regularly check your broadband account usage to know your usage pattern, which will 
help you to keep control on your internet downloads if you have subscribed a volume based plan from them. Keeping a regular check on your BSNL broadband usage will also helps you to ensure that nobody is abusing and making unauthorized use of your broadband account.
Here is a fully illustrated step by step guide to check your BSNL usage via the BSNL data portal.
1. First click this link to click this link.or http://dataone.in/ and after click on this link “Check Your Account Usage” which is there on top left side of the page.
2. Enter your BSNL broadband username and password to enter your account and click the “Login” button.
3. Then click on service records link on the left panel (check the screen shots for better understanding).
4. Select the month you want to query and ok.
5. Now from here you will be able to check for the total usage as on a given date, you can even check, total volume, total duration and many more.
Note: The data available is updated up to the previous day of your checking. Today’s usage will be updated in your account only by tomorrow.
Installing ad blocking software / Pop Up & Ad Blocking Add Ons in your browser will help you to reduce the bsnl broadband usage.