Kolkata Horror Case: Main Accused Sanjay Roy Undergoes Polygraph Test At Presidency Jail

Kolkata Horror Case: Main Accused Sanjay Roy Undergoes Polygraph Test At Presidency Jail The lie detection test on Sanjay Roy, the main accused in the alleged rape and murder of a RG Kar Medical College trainee doctor, was conducted at Kolkata's Presidency Jail where he is lodged, officials said. Two more individuals will undergo the test at the CBI office in Kolkata during the day, they said. Four persons including former principal Sandip Ghosh underwent the polygraph test on Saturday, the officials said. A team of polygraph specialists flown to Kolkata from the Central Forensic Science Laboratory (CFSL) in Delhi is conducting the tests, they said.