Telangana Private Junior Colleges Management Association State president V. Narender Reddy demanded that the State government should ban four private corporate colleges for flouting various norms of the Board of Intermediate Education in Telangana. At a press conference here on Wednesday, he alleged the private corporate colleges had taken permission for colleges to exist on one place, while conducting classes elsewhere. He also charged the corporate colleges with conducting practicals for students for only two days at the fag end of the academic year.