National Assembly on Thursday passed three bills including Stock Exchanges (Corporatisation, Demutualization and Integration) Bill, 2008, Modarba Companies and Modarba (Floatation and Control (Amendment) Bill, 2009 and NFC Institute of Engineering Technology Multan Bill 2009.Minister for Parliamentary Affairs Dr Babar Awan moved the Bills in the NA, which were passed by vast majority of the house. Chairman NA passed these bills after clause by clause readings.