The main purpose of this research paper is to study the prison library sources and services to meet the information needs of the central prison library of Mysore prisoners. The present study focused on the category of occupation-wise response, educational qualification of prisoners, Gender response, marital status of prisoners, age-wise response, provision for library facilities, frequency of visit to the prison library, level of satisfaction of library opening time, time spent in the prison library, purpose of visit to library, level of satisfaction of library collections, level of satisfaction of library services, level of satisfaction of Physical facilities of library.