The CBI sent R G Kar Medical College and Hospital rape-murder case accused, Sanjoy Roy, for a medical examination on August 16. He was brought out of the CBI Special Crime Branch in the CGO complex, Kolkata, West Bengal earlier today. The investigative agency has also summoned four doctors for an inquiry to gather details in the case. A woman trainee doctor was brutally raped and murdered in the hospital on August 9.