Students of Ananda Singh Higher Secondary School today turn violent and vandalise the infrastructures of the school after the government authority did not listened to the demands for filling of the vacant teachers. Speaking to media persons the student representatives said that the Union had submitted memorandum to the concern government authority for fielding of the vacant teacher since the last couple o months. As the demand were not listened the union today showed their anger. He said the union will boycott class from tomorrow until the demands are fulfilled.