Who among army-commanders of Alauddin Khalji died fighting against Mongols?

Who amongst the following Generals of Alauddin Khalji, ultimately became the first Sultan of Tughluq dynasty?

What was the boundary between the Delhi Sultan and Mongols during the period of Alauddin Khalji after 1306 A.D.?

Who was the ruler of Devagiri at the time of Alauddin Khalji’s invasion?

The attempt of Alauddin Khalji to control the market prices

Who among the following opposed the power of the Khalifa?