List of zamindari estates in the Madras Presidency
Zamindaris were established in the Madras Presidency by the government of the British East India Company starting from 1799 onwards. These settlements were established in order to delineate authority to landlords and thereby relieve the ryot from the control of middlemen who often exploited them.
Source: Wikipedia — List of zamindari estates in the Madras Presidency (CC BY-SA 4.0)