RG Kar tragedy: Forensic surgeon, former medical superintendent at CBI office for questioning
Forensic surgeon Dr Apurba Biswas, who was part of the team conducting the autopsy of the body of the raped and murdered junior woman doctor of R.G. Kar Medical College & Hospital last month, was at the Central Bureau of Investigation's (CBI) Salt Lake office in northern Kolkata on Tuesday afternoon for questioning in the case.