Explanation:

- "Apex Society" refers to the highest level of cooperative society in the hierarchy.

- Option 1: National

National-level societies operate across the entire country and supervise state societies.

- Option 2: State

State-level societies operate within a single state and supervise district and local societies.

- Option 3: District

District societies work within a particular district, supporting village societies below them.

- Option 4: Village

Village societies are the lowest level, serving local members in a village.

- The term "Apex Society" generally refers to the State-level society, which is responsible for coordinating and guiding lower-level cooperatives within a state.

Option:2- State is correct.