The CBI has informed the Supreme Court that it has concluded the probe into the murder of journalist Rajdev Ranjan and filed a charge sheet against eight accused including RJD strongman Mohd Shahabuddin.<br/><br/>The submission was made by the probe agency yesterday before a bench of Chief Justice Dipak Misra and Justices A M Khanwilkar and D Y Chandrachud after it enquired about the status of the investigation in the case. The counsel for CBI said that the final report has been filed on 22nd last month before the special CBI court.