Arthashastra
शत्रु भूम्या वा मित्रं पणेत, मित्र भूम्या वा शत्रुम् ॥
Or he may be asked to take possession of the territory of another enemy or a friend of the conqueror
english translation
zatru bhUmyA vA mitraM paNeta, mitra bhUmyA vA zatrum ॥
hk transliteration by Sanscript