The accused couple identified as Sumant Ghosh and Saroj went to the boy's school claiming to be his guardians and took him away, Sanjay Sharma, Kotwali police station in-charge said.
The couple left the boy on a street and went somewhere nearby. Meanwhile, a student of the same school spotted the boy crying and informed police about it, he said.
With the help of locals, the couple was arrested and the boy handed over to his family members.
