CBI is likely to file charge sheet in Sheena Bora murder case by the end of this month. A CBI official on Monday said the agency has prepared a watertight case and the charge sheet would include the statements of witnesses, statements of certain witnesses recorded before magistrate, call data records, DNA samples, besides other documents. He also informed that as per the provisions of Code of Criminal Procedure, the investigating agency has to file the charge sheet in the case within 90 days of the arrest of the accused. Failing which the accused are eligible for a default bail.<br/><br/>The main accused in the case Indrani Mukherjea, her former husband Sanjeev Khanna and her former driver Shaimvar Rai were arrested on charges of murdering 24-year-old Sheena and disposing her body at a Raigad forest in April 2012. A Mumbai court had on November 7 extended the trio's judicial custody till November 20. The court also allowed CBI to interrogate the accused in jail till November 17.