A 12-year-old boy of Chattargarhpatti area of the district was allegedly sodomised by three youths here.
Pawan Kumar, victim's uncle, alleged: "On July 12, when my nephew, a Class-5 student, was returning home, Raman, Deepu and Sagar of Chattargarhpatti area called him and took him to an unidentified area where they committed the crime."
Police have registered a case under Section 377 of the Indian Penal Code (IPC) and started the investigation.
The trio even threatened him not to report the matter to anyone, Kumar alleged.
The victim on Thursday narrated the incident to his uncle, who took him to a hospital. Hansraj, station house officer (SHO) of the city police station, said: "A case has been registered against the accused after the medical examination. We will nab them soon."