‘Polygraph test on Roy yields false answers’ | Kolkata News
CBI's polygraph test on Sanjay Roy, the arrested suspect in the RG…
What transpired in 22 minutes: Facing blind spot, CBI seeks polygraph test of ex-RG Kar college principal Sandip Ghosh, 4 others | Kolkata News
KOLKATA: RG Kar Medical College's ex-principal Sandip Ghosh and four colleagues of…
