Police arrested Dambar Bahadur Shrestha a principal at Shree Krishna Ratnaganga Secondary School of Chautara Sangachowkgadhi municipality-5, on February 17, on the charge of physically assaulting three students 16-year-old Sonia Lama of Sagachokgadi Municipality-3, 17-year-old Manika Lomchan and 18-year-old Sujata Katuwal of the same place for exiting school without permission. According to one of the teachers of the school, the principal charged those boys with a wooden plank for exiting school against the school's rules. According to the police, Sujana Katwal sustained a serious injury where as the other two sustained minor injuries.