The CBI officials questioned Dr Birupaksha Biswas, part of the so-called North Bengal lobby, on Saturday at its Salt Lake office.

CBI sleuths on Saturday started questioning another doctor, allegedly close to the arrested former principal of RG Kar Medical College and Hospital Sandip Ghosh, in connection with their probe into the rape-murder case.

CBI questions Dr. Birupaksha Biswas, part of 'North Bengal lobby', in connection with woman doctor's rape and murder case.

As per CBI, Dr Birupaksha Biswas was seen at the hospital on August 9 – the day of the crime – despite no official engagement there.

Biswas was recently transferred from Burdwan Medical College and Hospital to Kakdwip Hospital in South 24 Parganas district by the West Bengal government. He appeared before CBI officers at their CGO Complex office in Salt Lake area,

Saturday, September 21, CBI investigators began questioning another doctor, allegedly linked to the arrested former principal of RG Kar Medical College and Hospital, Dr Sandip Ghosh, as part of their probe into the rape and murder of a woman doctor at the institution,

The CBI has approached the court for permission to conduct narco analysis on former principal Sandip Ghosh and a polygraph test on ex-Tala PS OC Abhij

The CBI is contemplating conducting a narco analysis test on Sandip Ghosh, the arrested former principal of RG Kar hospital, in connection with the rape-murder of a woman doctor at the medical establishment,

The CBI, during its submission in the Sealdah court on Friday, said that Ghosh has not been cooperating with the investigators.

Kolkata: The CBI is contemplating conducting a narco analysis test on Sandip Ghosh, the arrested former principal of RG Kar hospital, in connection with the rape-murder of a woman doctor at the medical establishment,

The CBI on Friday told the Kolkata Court that more suspects have emerged during the investigation of Rape-murder case and their call records and other details are being investigated to certain their role in the crime.