VIJAY DEO JHA Ranchi, April 17: The CBI wants to conduct lie detection, brain mapping, and narco-analysis test upon Devanand Oraon, the father of the deceased lady officer of Jharkhand Police Rupa Tirkey, as part of the investigation of her murder case. 26-year-old Rupa Tirkey was posted at the Mahila police station in Sahibganj district. … Continue reading CBI wants to conduct lie detection, brain mapping and narco-analysis test upon Rupa Tirkey’s father