Chief Metropolitan Magistrate Deepak Sherawat extended custodial interrogation of the accused after the probe agency sought their 2-day custody saying that new material has come up in the case.
Besides the Singh brothers, the court extended the police custody of Sunil Godhwani.
Other officials, Kavi Arora and Anil Saxena, were also sent to 2-day judicial custody.
Malvinder's lawyer told the court that they are not opposing the plea but ready to assist the probe.