The incident took place yesterday when the 15-year-old accused lured the boy to his house on the pretext of giving him chocolate and sodomised him there, they said.
A case has been registered against the accused and he has been booked under Section 377 of the IPC (Unnatural offences: voluntarily having carnal intercourse against the order of nature with any man, woman or animal).
The accused is absconding, police said adding the minor boy has been sent for medical examination.