Should the President be immune from suit if he acts as a minister

Dear Editor, 
The matter of the closure of Channel Six TV by the President is very interesting. I however find myself with a few questions for which I seek answer.

It is the custom for Cabinet Ministers to be duly appointed and sworn in by the President, as was done very recently. In the case of the President being the Minister of Information, who appointed and swore him into office in that capacity?The owner of Channel Six has expressed intentions of taking the matter to court. If the President is immune from prosecution while in office, how will this be possible? If Cabinet Ministers do not have this presidential immunity, and therefore can be prosecuted, does the Presidential immunity prevent the President from being sued in his capacity as a cabinet minister? 

Further if Mr Sharma’s case is successfully argued and judgment granted in his favour, what mechanism is in place to ensure the order of the court is enforced?
It is my humble opinion that it may become necessary for the constitution to be so amended that the Executive President is not allowed to perform duties as a Cabinet Minister.
Yours faithfully,
Ovid Schultz