COMMENT We have seen that secession in the form of expulsion has indeed taken place, as in the case of Singapore, and that it was initiated by the federal government, with the move not objected to by the other states in the federation of Malaysia.
We have also seen that the Federal Constitution is silent on secession. The state constitutions too have no provision that can be effectively be invoked to seek secession.
This leaves us with the point as to whether secession is a topic that can be canvassed, notwithstanding the fact that it is a question that raises more questions than provides answers...