A picture of a person cutting a cake beside Sandip Ghosh, ex-principal of Kolkata's RG Kar Medical College and Hospital, doesn't feature Sanjay Roy, accused in rape-murder of a 31-year-old doctor. The person is a hospital employee, Prasun Chatterjee, a reverse image search revealed. Ghosh resigned from his position on August 12 and is facing CBI's probe in corruption case.