Solution:

• Articles 315 to 323 in Part XIV of the Constitution of India provides for the establishment of Public Service Commission for the Union and a Public Service Commission for each State.

• Each state has its own Public Service Commission with functions similar to the Union Public Service Commission.

• The Union Public Service Commission (UPSC) is India’s central recruiting agency for central government public servants.

• It is responsible for appointments to and examinations for Group A and Group B posts under civil services cadre and defence services cadre of the union government.