The CBI arrested Negi on November 16. He was produced in the court after his extended CBI remand expired.
The court fixed the next hearing on November 23, when all the nine policemen arrested in the case will be produced in the court.
The CBI earlier arrested Inspector General of Police (IGP) Z H Zaidi, Deputy Superintendent of Police (DSP) Manoj Joshi and six other policemen in the case.
The high court is monitoring both the cases and directed the CBI to file the charge sheet in the custodial death case by November 30.
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Zaidi, the then Theog DSP Joshi, the then Station House Officer of Kotkhai, one Assistant Sub-Inspector, three head constables and one constable were arrested by the CBI on August 29.
Suraj Singh, a 29-year-old labourer from Nepal, was among six people arrested by the local police.
The remaining five accused in the rape-and-murder case have been released on bail as the CBI failed to file the charge sheet within 90 days.
Zaidi was heading a Special Investigation Team (SIT) probing the case of rape-and-murder of the minor school girl in Kotkhai area of Shimla in early July.
The Class X student had gone missing on July 4 and her naked body was recovered from Haliala forests in Kotkhai on July 6.