If you are using bsnl broadband for accessing internet, it is important to keep a check on your usage and know the usage pattern. To check the usage the usage all you need to do is: 1. Go to the bsnlbroadbandusage.in to check your account details. 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. 4. Select the month you want to query and click OK. After going through the above steps, you will be able to check your usage.