Tanka is an underground reservoir built to store rain water. The tanka usually has a square or rectangular shape and is constructed from clay or stone. A wall is built around the tanka so that rain water can collect in it.

The works "Laila Majnu" and "Tughlaq Nama" are attributed to the Persian and Urdu poet Amir Khusrau. Amir Khusrau was a prominent figure in the medieval Indian literary and cultural landscape during the Delhi Sultanate. "Laila Majnu" is a tragic love story, and "Tughlaq Nama" is a historical work that provides an account of the reign of the Delhi Sultanate ruler Muhammad bin Tughlaq.