The driver of the van, was arrested from the spot, told police that he had picked up the children from their homes and had taken the road behind Harit Vihar, he said.
He lost control over the vehicle and it fell into the drain but nobody was hurt, he added.
"A passerby, who thought van occupants were injured, made a PCR call. But when police reached the spot, they couldn't find the children who had gone back to their homes but the accused driver was held," said the officer.