ISLAMABAD - National Assembly was informed Monday that the average consumer end increase in electricity tariff from February 2007 to March 2011 was Rs 3.10/kWh. Federal Minister for Water and Power Syed Naveed Qamar said in a written reply that about 4.1 million detections of pilferage of electricity were detected since 2008 thereby recovering more than Rs5 billion was made and fifty five thousand FIRs lodged. Responding to another question, the minister in-charge of the Cabinet Division in writing told the house that the report of the Prime Ministers Inspection Commission on the collapse of Margallah Towers in October 2005 earthquake had yet not been received by the Cabinet Division. To another question, Minister for Labour and Manpower said that after 1996, no survey on child labour as been carried out. According to the first ever survey carried out in 1996 on child labour, the number of child in the country is 3.313 million.