Explanation:

- Naib Tehsildar:

- They are revenue officials at a local level.

- They oversee administration of land revenue and related functions.

- Sub-judge:

- They operate within the judicial system.

- They handle lower judiciary matters, not revenue.

- Third class magistrate:

- They are part of the judiciary.

- They deal with minor criminal cases.

- Munsif:

- They are judicial officers.

- They manage civil suits at the lower level.

Correct Answer: Naib Tehsildar