Concept:The constitutional body responsible for recruitment into the civil service is the Public Service Commission.
Explanation:The Public Service Commission is established by the constitution to handle civil service recruitment.
It ensures that appointments are based on merit, fairness, and established procedures.
It is distinct from the President’s office, which does not directly recruit civil servants.
The National Labour Commission deals with labour matters, not recruitment.
The Personnel Management Office is not the constitutional body for civil service recruitment.
Therefore, the correct institution is the Public Service Commission.
Answer:D. Public service commission