Update on the Ponty Chadha murder: Sacked Uttarakhand minority panel chief S S Namdhari's PSO Sachin Tyagi, arrested for his alleged role in Ponty Chadha shootout case, was today sent to the Delhi police custody for three days as the police told the court that he also had fired at the liquor baron's brother. Metropolitan Magistrate Neha remanded Tyagi, who was arrested last night, in police custody to unearth the conspiracy and the sequence of the shootout.