Hello Piyush,
In order to know the infromation about the PCI slot in storage controller please check the following registy path:
HKLM\system\currentcontrolset\Enum\PCI
I would also like to let you know that to know the Device Information through command line you may have to download the Windows Drivers Kit.
Windows Driver Kit Version 7.1.0
http://www.microsoft.com/en-us/download/details.aspx?id=11800
Now run this command within the utility:
http://msdn.microsoft.com/en-us/library/windows/hardware/ff564642(v=vs.85).aspx
Try to follow the steps given above and let us know the results.
Thank you.