The Classroom is the perfect place of discipline and decorum. None is allowed to do anything unless permitted to do so. While the teacher is delivering the lecture, the students are advised to seek permission of class teacher before doing anything.
If you do not understand what is being taught by the teacher or you intend to ask any question from your teacher, you can ask only with the permission.
Importance of Raising Hands Rule
Asking the permission of teacher before asking any question, is an essential classroom rule. It help to maintain classroom discipline and gives the practical example of discipline. The teacher, being an authorized person, can entertain your requests.