They were suspended after a departmental inquiry was conducted by the District Education Officer (DEO) on complaints by the teachers of sexual harassment by the trio, Chief Educational Officer Jayakumar said today.
The teachers informed local people about the harassment they had to undergo over a period of time, following which they staged a demonstration here, demanding action against the three on November 26, last year.
The people also gave a complaint to Education Department officials demanding action, following which an inquiry was conducted.