GHAZIABAD: The CBI today filed its closure report in a special court here in the two-and-a-half year-old Aarushi murder case due to lack of evidence.In its closure report, which will be taken up by the Ghaziabad special court, the CBI has expressed its inability to carry out any further probe because of lack of sufficient evidence at the scene of crime.Aarushi, the 14-year-old daughter of dentists Rajesh and Nupur Talwar , was found dead with her throat slit at their Jal Vayu Vihar residence in Noida near Delhi on May 16, 2008.Their 45-year old domestic servant Yam Prasad Banjade alias Hemraj, earlier seen as a suspect, was found dead on the terrace the next day.After Uttar Pradesh Police failed to reach any conclusion, the case was handed over to the CBI which started its probe under Joint Director Arun Kumar on June 1, 2008 with the arrest of Rajesh Talwar in the case.But when the CBI failed to make any headway in the case even after nearly 18 months, the investigative agency handed over the probe to a new team headed SP, CBI Neelabh Krishna.