CNN Central News & Network–ITDC India Epress/ITDC News Bhopal: The CBI officials investigating the rape and murder of a trainee doctor at Kolkata’s RG Kar Medical College Hospital have decided to collect the call record and chat details of former principal Sandip Ghosh. The former principal was grilled by the investigation agency for the last four days.

A CBI official told PTI that some of the answers given by Ghosh did not match with that of others who are being interrogated in the case. The CBI has prepared a list of 40 people, including doctors and security staff, to interrogate in connection with the case.

Ghosh was also asked to explain what he did after learning about the murder of the victim. He was also asked to explain why he made the parents wait for nearly three hours before showing them their daughter’s body. The former principal was also asked about the people he called after he got the news of the death.