Who among the following Sultans imposed water tax on the agriculture land which was irrigated by the waters of the canals dug by the state?

Q. Who among the following Sultans imposed water tax on the agriculture land which was irrigated by the waters of the canals dug by the state?
Answer: Firoz Shah Tughlaq
Notes: Firoz Shah Tughlaq imposed water tax on the agriculture land which was irrigated by the waters of the canals dug by the state.