Muntakhab al-tawarikh 32.2.8

32.2.8

The simple-minded Sultan Jalalu-d-Din wrote a command with his own hand in accordance with 'Alau-d-Din's request, and sent it by the hand of two confidential and trusted body-servants, one of whom was named Imadu-l-Mulk and the other Ziau-d-Din. These men when they arrived soon perceived by his manner and bearing that the face of affairs was altered: and ‘Alau-d-Din having prepared the dish for the Sultan, and having arranged for its service at a given signal, handed over those two messengers to sentries who were charged to keep them so closely guarded that not even a bird should be able to flap its wings near them;