Option b is the correct answer. The most distinguishing feature of the Chola administrative system was village autonomy. The Chola village administration was very well developed and systematic. The assemblies of the villages of Chola inscriptions described as the "Ur" and "Sabha". The village assemblies possessed absolute authority over the affairs of villages. They maintained law and order in every village. They regulated public markets and helped people at times of famine and floods. The village assemblies were in charge of the payment of taxes due from the villages to the treasury.