Cell phone in classroom

Mobile phone is also disturbing the environment of classrooms. Suppose a teacher is delivering lecture to his class during this, a mobile phone rings and every body start looking to the mobile phone user and the teacher leaves the lecture and a new lecture starts which take the time of class .Student keep in missed calling to their class fellows in the class. They send and receive messages during the lecture, they loss their interest in the class and at the end they don’t have the ideas of lecture and collect the notes of the lecture from their other class fellows