Renaming Files Incrementally in a folder, using Powershell

 The below script can be used to rename files incrementally in a folder.

$path = "C:\Users\rvenk\Desktop\SBI Empanelment Docs"
$nr = 1
Get-ChildItem $path | ForEach-Object {$fullName = $_.FullName; $fileName = $_.Name; Rename-Item $fullName -NewName ("{0}_$filename" -f $nr++)}