Q. Who among the following was the Sultan of Delhi reputed to have built the biggest network of canals in India? Answer:
Feroz Shah Tughlaq
Notes: Firoz Shah Tughlaq built and repaired a large number of canals. Sultan Firoz Shah Tughlaq was a Turkic Muslim ruler of the Tughlaq Dynasty, who reigned over the Sultanate of Delhi from 1351 to 1388. His father's name was Rajab who had the title Sipahsalar.