CBI officials on Sunday conducted a polygraph test on prime accused Sanjay Roy in connection with their ongoing investigation into the rape and murder of a woman doctor at the state-run RG Kar Medical College in Kolkata's Presidential Jail. an official said.
India's Central Bureau of Investigation has also raided multiple locations to investigate alleged financial irregularities at the hospital.
Central agency officials also conducted polygraph tests on several other people at their Kolkata office, he said, adding that the test on Roy ended after about four hours.
Four people, including former principal of RGKMCH Sandip Ghosh, took polygraph tests on Saturday.
The CBI has sought permission from a local court in Kolkata to take polygraph tests on seven people, including Roy and the former principal of RGKMCH. The test cannot be used as evidence during the trial, but the findings provide direction for the agency to investigate further.
A team of polygraph experts flew from Delhi's Central Forensic Science Laboratory (CFSL) to Kolkata to conduct the test.
Roy (33), a citizen volunteer of Kolkata Police, was arrested by Kolkata Police on August 10, a day after the body of the 31-year-old doctor was found in the seminar hall of the medical college.
A Bluetooth device found near the doctor's body led to Roy's arrest. CCTV footage also shows him at the seminar hall on the third floor of the hospital.
The accused, who was allegedly close to several senior police officers in Kolkata, was later transferred to the force's welfare committee.
The CBI had earlier told the Supreme Court that changes to the crime scene when it took over the investigation suggested that local police were trying to cover up the rape and murder of a postgraduate doctor.
On the morning of August 9, the doctor's body was found in the chest department research hall of the hospital with severe injuries on his body, triggering widespread protests.
The Calcutta High Court on August 13 ordered the transfer of the investigation from the Kolkata Police to India's Central Bureau of Investigation.
Meanwhile, CBI sleuths conducted simultaneous raids at the residences of former medical superintendent and RGKMCH vice-chancellor Sanjay Vashisth Ghosh and 13 others in and around Kolkata to investigate, officials said Alleged financial irregularities at the institute.
The CBI also raided the residences and offices of those providing supplies for the management and care of patients.
They said that from 8 am to 7 pm, at least seven officials of the central investigation agency questioned Ghosh at his residence while other officials were questioning Vashish and another professor from the forensic department of the medical institution. et al.
Officials said the CBI team reached Ghosh's residence around 6 am and waited for nearly an hour and a half before he opened the door.
Other officials of the central agency visited the residences of several vendors in two areas of Kolkata and another area of Howrah.
They also summoned the current principal, Manas Kumar Bandyopadhyay, and asked him to accompany them in their investigation inside the hospital – the former principal's office is located in the hospital and the canteen is located in the teaching building.
Later in the evening, CBI sleuths took Vashisth and his family to his second residence in the city and started a search.
The official said that till the last information is shared by the CBI officials, the forensic department professor who was called to the CBI office is being questioned.
According to the complaint filed by former deputy superintendent of RGKMCH Akhtar Ali, Ghosh, while serving as the principal of RGKMCH, along with his colleagues, built food stalls, cafes, Tenders were issued for the canteen and urinals.
A CBI official told PTI that preliminary investigation revealed that three special traders obtained these “illegal” bids.
Meanwhile, Kolkata Police Commissioner Vineet Goyal has resigned, failing which the agitated junior doctor at RGKMCH said the shutdown would continue.
Sunday marked the 17th consecutive day of shutdown of junior doctors, severely affecting health services in Bangladesh.
The horrific crime sparked protests from doctors and citizens across the country.
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(This report has not been edited by News18 staff and is published from associated news agency – PTI)
