how can i find the user id and password of my bsnl broad band

Here is your answer,
1) Click start and click the run button
2) In the search box type cmd and click run
3) A black box appears In that type IP configure
4) A series of number is shown (default gateway) there that is the ip number of your WI-fi .
5) Copy that number by highlighting .
6) Open your default browser and paste the IP number you have copied in the search box, and press enter.
7) Yu would be leaded to a page of your internet provider . In that page click wireless setup , you would be led to a page with setting about your wireless setup having your WI-fi username.
8) If this is the first time you are finding your WI-fi password then, the password is mostly admin or password itself. give a try
9) You can also change your username or password and give it to your friends for them to connect
.
Hope this was useful to you .