Nitin Kumar, a native of Meerut in Uttar Pradesh, claimed that he was slapped by his teacher, Kiran Pal, in his school in West Patel Nagar area of central Delhi on August 3, police said.

According to the complaint lodged by the 19-year-old victim's parents, the teacher got angry when he found Nitin doing English homework during Political Science period. The teacher slapped him, and when he reached home, he felt pain in his left ear.