‘What is CBI doing,’ asks TMC's Kunal Ghosh on Kolkata hospital case probe

TMC's Kunal Ghosh has questioned the CBI's investigation into the rape and murder of a trainee doctor at RG Kar Medical College in Kolkata, noting only one arrest so far. The polygraph test for the main suspect, Sanjoy Roy, will be conducted tomorrow after being postponed due to technical reasons.
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