Below are the commands that can be run as a PowerShell Script to add a list of users to AD.
$Group1 = Read-Host "Enter the Group Name to which users have to be added :"
Add-ADGroupMember -Identity $Group1 -Member (Get-Content c:\Temp\Users.txt)
Ø Login to the server with AD role.
Ø Create a text file C:\Temp\Users.txt and store the user names you want to add or remove in AD.
Ø Once you execute the script, it’ll prompt you to enter the Group Name.
Ø Enter the Group Name and enter.
This Script can be used for bulk addition and bulk removal of user accounts in AD.