Explanation:

- Section 300 of the Indian Penal Code defines what constitutes murder.

- It describes culpable states of mind leading to murder:

1. Intention to cause death: Direct and deliberate intention to end a life.

3. Intention to cause such bodily injury as the offender knows is likely to cause death: Conscious awareness of the fatal consequences of one's actions on a particular individual.

4. Intention of causing such bodily injury as is sufficient in the ordinary course of nature to cause death: Act that typically results in death.

2. Knowledge that the act is so imminently dangerous that it must in all probability cause death: Recklessness with awareness of the risk involved.

- Correct Order: Option 2: 1, 3, 4, 2