A chargesheet in the Kolkata law college rape case reveals that prime accused Manojit Mishra filmed and blackmailed the victim using videos shot through an exhaust fan hole. The medical and DNA evidence confirm rape. CCTV footage, obscene clips, and matched voice samples incriminate Mishra, co-accused Zaib Ahmed, Pramit Mukherjee, and complicit security guard Pinaki Banerjee.