For the protection of state and welfare of the people, a ruler shold collect all types of wealth. By suing devices of sama, dama , danda, bheda , he shold increase income of the state, strong administration helps in collecting different type of taxes fro exchequer.
ChanakyaA person or a ruler who executes his plans (of public welfare) after due consideration, the prosperity stands with him for a longer period.
Chanakya