The central library and faculty libraries contain approximately 600,000 books, bound periodicals and reports in Arts, Education, Humanities, Law, Management and Commerce, medicine, Pure Science and Social Sciences. The library also adds 5000 to 6000 materials to its stock every year. The library has received depository status from International Monetary Fund for its publications and communications. Except Sri Lanka and Rare collections books are available on open access for reference and for borrowing purposes Sri Lanka Collection and Rare collection are closed accessed collections. Potential readers can request any material available there by filling a form obtainable from the counter in the Sri Lanka Collection. These materials are only for reference purposes and they cannot be taken away from the library premises. No photocopies are allowed.

The books are bought especially on recommendations of the academic staff. The university library also receives very valuable donations from intellectuals and scholars of both local and international repute. (Also see the History of the Collection).