Explanation:

- When five or more persons assemble for the purpose of committing dacoity: Gathering with intent already constitutes an offense and is punishable.

- Preparation to commit dacoity: Mere preparation can be criminal if intent and capability to commit the crime are evident.

- Attempt of dacoity: An attempt indicates actions that go beyond preparation, bringing the unauthorized act close to fruition.

- Actual commission of dacoity: Executing the act itself is obviously punishable under law.

- All of these: All aforementioned phases are indeed punishable under the law as they each exhibit criminal intent to commit dacoity.