The boy was found by a policeman, who was patrolling the area, from the inter-state bus terminal (ISBT) yesterday.
He seemed lost when he noticed by the policeman, who brought him to the police station.
When asked, he gave his address in Rewari city, which later turned out to be wrong after a sub-inspector took the boy there, they said, adding he tried to mislead the police.
The policeman then strictly questioned the child, to which he said that he had failed in his exams and was upset. He did not want to go back to his home, police said.
After which, he took the boy to Rewari railway station and he was handed over to his parent.
The boy is a resident of Charkhi Dadri in Haryana, they said, adding the boy's parents thanked the police for reuniting them with their son.