The boy's father, Surendra Kumar Yadav, had lodged a complaint at Bidhuna police station in Auriayya district yesterday alleging that his nephew Vikas and his aides had kidnapped his son, Kanhaiya.
Acting on a tip-off, police raided the house of one Prema Devi in Sishat village in Etawah and rescued Kanhaiya, a police spokesman said.
While the main accused Vikas and his aide Neeru managed to escape, one Gaurav Yadav was arrested from the spot, he said.