The locals detected four bodies floating in the swollen water body in riverine area near Vridanvan village and informed the police.
The police rushed to the spot and took these bodies, that of two boys and two girls, under its custody, the Sub-Divisional Police Officer (SDPO), Sadar, Pankaj Kumar said.
The cicumstances of their death was under investigation, Kumar said.
The bodies have been sent for post-mortem and efforts were on to ascertain identity of these kids, the SDPO said.