Correct Answer: (c) Sthaniya, Dronamukha, Karvatika, Samgarhana
Solution:Kautilya prescribes a different scheme of Mauryan rural level administrative tier. At the top of the tier was the unit called 'Sthaniya' consisting of 800 villages. Then came 'Dronamukh' of 400 villages; further below stood 'Karvatika' of 200 villages and the lowest level the 'Samgrahan' consisting of 10 villages. Its ascending order is as follows- Samgrahana, Karvatika, Dronamukh, Sthaniya.