Yes I did the same But got the following reply

"We do not use a registered post for airmail documents and so we are
unable to track your documents."

I donno what to do now !!?

The HSMP team informed me via e-mail that a decision was made on my case and my documents were dispatched on 27/04/05. It’s more then 25 days they have dispatched my documents and I still could not receive it! I am worried about my original documents and HSMP decision letter; if my HSMP is approved ...