To run the batch file:

cmd /c "c:\Users\Rakesh Kumar\Desktop\protolearn\Generate-JavaClass-ForProto.bat"

To run the .ps1 file:

powershell -ExecutionPolicy ByPass -File "c:\Users\Rakesh Kumar\Desktop\protolearn\Generate-JavaClass-ForProto.ps1"

or

pwsh -ExecutionPolicy ByPass -File "c:\Users\Rakesh Kumar\Desktop\protolearn\Generate-JavaClass-ForProto.ps1"