Nawada Superintendent of Police (SP) Parvez Akhtar said the arrested youth has been identified as Ajit Kumar of Kaithir village under Hisua police station of the area.
Ajit had kidnapped his three-year-old cousin Ankit Kumar on Monday and demanded Rs 35,000 from the child's father Rajesh Kumar who is uncle for the release, the SP said.
He held the boy captive at Rajgir and was making ransom demands from there, Akhtar said.
Ajit told interrogators he staged the operation to make a music album.
