Some of the activities which were prevalent during the Delhi Sultanate period are as follows: religious persecution, prohibition of public worship and destruction of temples. These was often vigorously enforced by the early Muslim rulers.
Qunum-i-Humayuni was written by Khwand Mir, also known as Ghiyasuddin Muhammad. It is an account of rules and ordinances established by emperor Humayun and of some building erected by him.