Jolli Behera was arrested yesterday in connection with the murder of Swastik Pradhan at Sitalapalli under Gopalpur police station on December 3, sub-divisional police officer (SDPO), Berhampur Sadar, Harihar Pani said.
When the child's mother and other family members, were busy in their farm land reaping paddy, the child's aunt strangulated her before throwing the body outside the village.
Preliminary investigations revealed that she killed the child after being branded by his mother a witch as she had already lost three children, police said.