The CBI on Thursday sought a polygraph test on former RG Kar Medical College and Hospital principal Sandip Ghosh and four other doctors in connection with the alleged rape and murder of a postgraduate trainee at the medical facility, officials said.
The CBI took Ghosh and four other junior doctors, who were on duty on the date of the incident on August 9, to the Additional Chief Judicial Magistrate's court at Sealdah in north Kolkata, for seeking its permission to conduct the lie detection test on them, they said.
The test can only be done after permission from the court and the consent of the suspect, the officials said.
An in-camera closed-door hearing on the matter took place before the ACJM this evening.
The CBI has already prayed for a polygraph test on the arrested Kolkata Police civic volunteer Sanjay Roy, the prime suspect in the case, and is awaiting the court's nod for going ahead with the test.
On Thursday, the Supreme Court set a 5 pm deadline on Friday inside which th