Who among the following built the largest number of irrigation canals in the Sultanate period?

Who among the following built the largest number of irrigation canals in the Sultanate period? Correct Answer Firuz Shah Tughlaq

Sultan Firuz Shah Tughlaq (1309 – 20 September 1388) was a Turkic Muslim ruler of the Tughlaq Dynasty, who reigned over the Sultanate of Delhi from 1351 to 1388. He constructed four canals for irrigation.

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