Correct Option: C

The Sultan of Delhi who is reputed to have built the biggest network of canals in India was Firoz Shah Tughlaq . Canal system of Firoz Shah Tughlaq:
* To support the newly founded city of Hissar-i-Firoza, in 1355, he constructed a double system of canals from Yamuna to Sutlej.
* They are referred to as rajwahas in the Indo-Persian historical texts.
* This Yamuna canal was repaired for irrigation purposes during the time of Akbar.