The correct option is C farmers
Permanent settlement of Bengal was introduced in 1793 by Lord Cornwallis. The Zamindars needed to pay a fixed amount of land revenue on a fixed date every year. This amount could not be increased later, however, if the Zamindar failed to pay the amount on fixed date, the Company could sell their land via public auction. The worst affected were the farmers as the continued to be victims of the harassments of the zamindars who exploited them for their own selfish motives.