The CBI has sought permission from the Shimla High Court to conduct a voice sampling test of eight policemen arrested over custodial death of one of the accused in Kotkhai rape case.
The custody of the cops has been extended till November 17, which is also the next date of hearing.
The Central Bureau of Investigation had in August arrested eight policemen for the custodial death of a person who was accused of raping and murdering a minor in Shimla district. They were remanded to CBI custody till September 4.
Suraj Singh, who was a suspect in the rape-and-murder of a minor school girl in Kotkhai area of Shimla in early July, was among six people arrested by the local police. He was allegedly killed by a co-accused at the Kotkhai police station in July, triggering a massive public outrage.
On July 4, six men had raped and murdered a 16-year-old schoolgirl in Kothkai in Shimla district. On July 18, Rajendra Singh, the main accused in the case, allegedly killed his accomplice Suraj Singh in prison.
The Central Bureau of Investigation had set upa Special Investigation Team to probe the girl's rape and murder, as well as the custodial death cases on July 23.
OneIndia News with PTI inputs