MP4 : The four schools having different ideas about what is lawful and unlawful will be eliminated in the time of Hazrat Mahdi (pbuh)FLV : The four schools having different ideas about what is lawful and unlawful will be eliminated in the time of Hazrat Mahdi (pbuh)MP4 FOR IPOD (edge) : The four schools having different ideas about what is lawful and unlawful will be eliminated in the time of Hazrat Mahdi (pbuh)DOC : The four schools having different ideas about what is lawful and unlawful will be eliminated in the time of Hazrat Mahdi (pbuh)