The headmaster of a Thirupuvanam-based high school in Sivaganga, has been detained for allegedly sexually abusing school boys.An incident which was kept under wraps for a few months, the headmaster, Valan of the Maranadu High School, had allegedly threatened his school students to fail them unless they listened to his demands and forced them to perform sexual activities, reported New Indian Express.Resorting to coercion, he would also pay the students to perform sexual acts including oral sex. However, the issue remained a secret until a parent overheard a group of students discussing the activities.As of now, the issue is under investigation and a case has been booked against the school headmaster under Protection of Children from Sexual Offences Act, 2012 (POCSO).Read Repeatedly raped and tormented by her father, Madurai minor rescued by Childline