Rohtak, July 11 -- The principal of a private school was stabbed to death allegedly by two students in Hisar district of Haryana on Thursday after he asked them to get a haircut, dress properly, and follow discipline, officers aware of the matter said. According to police, the two boys-aged 15 and 16-were enrolled in Class 11 and 12 of the Kartar Memorial Senior Secondary, located in Bass village in the district's Hansi area, around 26km from the district headquarters. They attacked 50-year-old school principal Jagbir Pannu, a resident of Puthi Saman village, with knives when he was doing the rounds in the morning, they added. "The boys were miffed over repeated reprimands by the principal over their indiscipline. They were angry as he regu...