What is the role of the Union or State Public Service Commission mentioned in this context?
The role of the Union or State Public Service Commission mentioned in this context is to regulate the conditions of service of certain persons, such as Chief Justice or other Judges of the Supreme Court or a High Court, the Comptroller and Auditor-General of India, the Chairman or other members of the Union or a State Public Service Commission, or the Chief Election Commissioner. However, their conditions of service cannot be altered to their disadvantage after appointment except in certain specified cases related to civil services of the Crown in India.