Which of the following Sultans of Delhi set up the officers like Barid (intelligence officer) and Munhiyans (secret spies) to control the market?

Alauddin Khalji introduced rigorous market control and price regulation reforms during his reign. To enforce these regulations and eliminate corruption or hoarding, he appointed an extensive network of intelligence officers called Barids and secret spies known as Munhiyans who directly reported the market conditions to the Sultan.