Explanation:

- Option 1: He is not a protagonist of any party.

- This is true. The Public Prosecutor must remain impartial and work in the interest of justice, rather than representing any one party.

- Option 2: He stands for the State in whose name all prosecution is conducted.

- Correct. The Public Prosecutor represents the interests of the State during legal proceedings.

- Option 3: He is not concerned with securing conviction or with satisfying departments of the State Government with which he has to be in contact.

- Yes, this is also true. The Public Prosecutor’s role is to present evidence and ensure justice, not just to secure convictions or satisfy department expectations.

- Option 4: All of them.

- This is correct as all statements about the Public Prosecutor are true.