They're all political appointments. You have to know some high ranking politician or bureaucrat.

Duration? Depends on the panel. In case of Standing Counsel/Addl. Standing Counsel, as long as the ruling government likes you.

Pay? Again depends on the panel.

Google would help.

Bump

Seems to be reserved for those with contacts.

Bumpppoo

Bump

Please help a fresh graduate of this terms. Didn't find anything regarding this online.. can you guys help me telling how they are appointed and for how long and the pay