It consists 85,000 books, including thesis in 145 languages. The library houses 120,000 periodicals, 12,250 grey literature, 4,300 offprints, 1,700 maps, 264,000 archival research, 1,650 audio and video cassettes, and 750 CDs and DVDs. It also consists 23,500 transparencies, 1,150 microfi ches and microfi learning management system.[10]