A female teacher and 15 students fainted amid the chaos, said the official, adding that they were taken to the community health centre for treatment. A total of 405 students were appearing for the examination at the centre, which was held by the Council of Higher Secondary Education Manipur (COHSEM).
Class 12 students appearing for the state board examinations vandalised a school building in Manipur's Thoubal district on Saturday after they were refused extra time for the Manipuri paper, officials said.