Option 1: Article 25 of the Constitution does not deal with the removal/dismissal of a Civil Servant. It is related to the freedom of conscience and the right to freely profess, practice, and propagate religion.
Option 2: Article 256 of the Constitution also does not deal with the removal/dismissal of a Civil Servant. It pertains to the obligation of states and the Union to comply with the laws made by Parliament and other legislatures.
Option 3: The correct answer is Article 311. Article 311 of the Constitution deals with the removal/dismissal of a Civil Servant. It provides safeguards to protect Civil Servants from arbitrary or vindictive actions. It states that a Civil Servant cannot be dismissed or removed by an authority subordinate to the one that appointed them. It also ensures that a Civil Servant has reasonable opportunities for defense and a proper inquiry before any punishment or dismissal.
Option 4: Article 377 of the Constitution pertains to the decriminalization of homosexuality. It does not deal with the removal/dismissal of a Civil Servant.
Overall, Article 311 is the appropriate article that deals with the removal/dismissal of a Civil Servant.