RTI activist Bhupendra Vira (left) was murdered by tainted former corporator Razzak Khan’s son Amjad. File pics

The Mumbai crime branch’s Unit 8 on Thursday filed a 602-page chargesheet in the Killa court in the murder of Right to Information (RTI) activist Bhupendra Hirji Vira in which former Congress corporator Razzak Khan and his son Amjad Khan were arrested. It mentions that the murder was planned at the tainted corporator’s home, after which his son pulled the trigger on Vira.