That is a link that describes it. Are you in America? As a teacher I am concerned with anyone degrading students in this manner. I suggest you been strict from the start of the year and then do not allow the unwanted behavior.

Murga means “Adult male chicken” in Hindi. This is a punishment in which the punished person takes the position of a “murga”. This is done by squatting, and then bringing the arms between the legs and firmly holding the ears. It can be very painful after a few minutes.

If it is allowable in your school, you should make the decision with your own conscious.

The first student who alienates you make an example out of them, and the next two students who alienate you, the student will know you are not a push over.