[Resolved] redirect problem

[Jyotsna]

Does anyone see why this page does not redirect?

<?
header("Location: ../index.php?m=mobilidade");
?>

I am sure that index.php exists in that location. I also tried to give up the full path, but that does not work either...

[Denness]

Can you please advise the Error returned for the above code

[Jyotsna]

There is no error...

There is some code beneath this line that has to be used.
I will attach the file that has to be redirected (mobilidade.upt)
and the file where it is redirected to (index.php)