In a teaching and research university departmental libraries are necessary like that of soul in the existence of human body. The major duty of the university library is the provision of departmental libraries for the students and teachers. The Punjabi University has 58 teaching and research departments in Science and humanities along with the specialized departments of human Biology, Space Science, Nuclear physics, Defence Studies, Anthropological Linguistic, business Management, Journalism and other vocational courses. The university has a highly qualified teaching staff numbering over 600. The number of postgraduate students on the roll is about 8000. Also, in various departments about 200 researchers are doing research in different fields.