The CBI files its first chargesheet in the RG Kar Hospital case, accusing Sanjay Roy of raping and murdering a postgraduate trainee doctor. With nearly 100 witnesses interrogated and 12 polygraph tests conducted, forensic evidence, including DNA matches, implicates Roy as the primary suspect.

The disturbing visuals show the man suddenly attack the child to the horror of his friends who were too shocked or petrified to move and watched on helplessly as the man thrashed the boy

A CBI chargesheet has been filed against Sanjay Roy, accused of the rape and murder of a trainee doctor at RG Kar Medical College in Kolkata.