The Sultan of Delhi who is reputed to have built the biggest network of canals in India was

1. Iltutmish
2. Ghiyasuddin Tughlaq
3. Feroz Shah Tughlaq
4. Sikandar Lodi

Explanation

Option (c) is correct

• Feroz Shah Tughlaq (r. 1351–1388) is known for constructing the largest canal network among the Delhi Sultans. The longest canal was about 200 kilometres, which took off from the river Sutlej to Hansi. Another canal was between Yamuna and Hissar. These and other canals were meant for irrigation and water to the new towns he developed.

Answer: (c) Feroz Shah Tughlaq