The Central Bureau of Investigation (CBI) is exploring the use of narco-analysis or polygraph tests as part of its ongoing probe into the rape and murder case involving a trainee doctor at RG Kar Medical College & Hospital.
Sources indicate that the agency has initiated preliminary steps to seek legal approval for these tests, which are likely to clarify inconsistencies in witness statements and assess potential involvement in tampering with evidence.
The process for conducting narco-analysis tests involves several legal hurdles.
According to senior counsel Kaushik Gupta from the Calcutta High Court, the CBI must first obtain court permission to administer such tests.
“The agency must request judicial authorization, and the individuals subject to the test must consent. The court will verify this consent before granting permission,” Gupta explained.
He also noted that although narco-analysis can guide investigations, its findings cannot serve as direct evidence in court.
CBI officials are focusing on applying these tests to the primary suspect and others whose statements have revealed significant discrepancies.
The aim is to determine whether these individuals might involved in evidence tampering or other conspiratorial activities related to the case.
In related developments, Sandip Ghosh, the former principal of RG Kar Medical College, has been repeatedly summoned for questioning.
Ghosh, who has been under intense scrutiny, attended the CBI office in Salt Lake on Friday morning for the eighth consecutive day.
The investigating team is reportedly interrogating him for 12 to 14 hours daily.
The case centers on the tragic discovery of a female doctor’s body under mysterious circumstances on August 9 within the college’s premises.
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