1. Run commands in Windows

There are several commands which can be accessed from the Run menu in Windows. Here is a link which explain all commands with examples.

http://technet.microsoft.com/en-us/library/bb491071.aspx

2. Broad Band Speed Test

Visit the link to have a speed test on download and upload speeds.

http://www.speedtest.net/

3. BSNL Broad band Speed Test
http://speedtest.dataone.in:83/bandwidthmeter/initialmeter.php