Noida: Police have moved an application in a local court here seeking extension of the remand of serial killing accused Moninder Singh Pandher and Surinder Koli by a day.

Singh, a businessman and his domestic help Koli, suspects in serial killings in Nithari, are not likely to be produced in the court for extension of their police remand.

"The duo who were subjected to narco-analysis test in Gandhi Nagar have not yet returned," sources said.