Ghiyas ud din Balban
During his reign, he appointed a spying agency called "Barid". Amir Khusrau (poet) came to India during the reign of Sultan Ghiyas-ud-din Balban. Later Amir Khusrau become a famous court poet of Ala-ud-din Khalji. Some poems Amir Khusrau made are Kiran-ush-Sadin and Tughlaq Nama. Amir Khusrau was also known as the Parrot of India. Balban enforced some laws such as "Sizada" (penalization) and "Paibas" (kissing the throne). Balban created the first military department of the Delhi Sultanate. It was called "Dewan-e-Arz".