CBI files charge sheet against four cops for framing bus conductor in murder of Gurugram school student The accused is facing murder trial as the CBI kept investigating the role of police personnel in framing Kumar. Share Via Email | A+A A- By PTI NEW DELHI: After nearly three years of probe, the CBI has filed a charge sheet against four police personnel of Haryana for allegedly framing a bus conductor in the killing of a seven-year-old student of a private school in Gurugram in September 2017, officials said on Friday. The student was killed on September 8 allegedly by a senior student.