In the Sangam age, the term ‘Kadamai’ referred to which form of revenue or tax?

Land tax paid to the king Vijayanagara Empire. Under this institutional During the Sangam age in South India, state setup, territorial land tracts called Amaram were revenues were derived from various agrarian and assigned by the monarch to military commanders commercial levies to maintain administrative known as Nayakas. In return, the Nayakas were machinery and military forces. The term obligated to maintain specified contingents of cavalry, infantry, and elephants for imperial