File C:\Users\Praveen\AppData\Roaming\npm\ng.ps1 cannot be loaded because running scripts is disabled on this system. For more information, see about_Execution_Policies at https:/go.microsoft.com/fwlink/?LinkID=135170.
set-ExecutionPolicy RemoteSigned -Scope CurrentUser
Get-ExecutionPolicy
Get-ExecutionPolicy -list
ng serve ---run this commands