A man and a child were also found lying unconscious near the bodies and they have been admitted to a local hospital.
The bodies have not been identified yet and the cause of their death is uncertain, SRP Siliguri Debasish Sarkar said.
"Villagers informed the railway police after spotting the bodies near the rail tracks this morning at Bogribari, a place in between Dhupguri and Altagram railway stations," he said.
The children were aged between 1-10 years.
