For creation of New Network connection (Broadband) just follows these steps below,
Remember it’s applicable for Windows 7 only.
Click on Start Menu, and then go to Control Panel option,
Inside Control Panel you choose Network and Internet
Then you Click on Network and Sharing Center
From here you click on Set up a new connection or network option,
Now you will get a small window, you choose Connect to the Internet options and click to Next,
Here you will get a new window again, as you are creating a new connection so you should choose Set up a new connection anyway,
After clicking now it will bring you another window and from here you choose No create a new connection option and clickNext,
From this window click on Broadband (PPPoE)
After clicking Broadband you will diverted to a new windows asking Username and Password and Connection Name
Here you just put your Username and Password provided by your ISP (Internet Service Provider). Put a name as desire by you inside Connection name field, this will be your new broadband connection name. Now you all done, just click Connect,follow these screenshots below
If connected successfully, it will look like as the screen shot below
You are done now, get ready surfing the world of internet with your new created connection.