University library is the strongest pillar and hub of information dissemination. The main objective of the university library is to support its parent institutions in teaching, learning and research through the provisions of relevant information resources both in print and non-print forms. In the digital era, public relations and marketing (PRM) play an imperative role to provide proper services for the right users at the right time of the right information. The present study aims to interpret the use and awareness of public relations and publicity by the library personnel. The research paper reveals that the PRM activities in academic libraries act as agency for the dissemination of information, knowledge agency, educational agency, agency for research as well as agency for recreation. This study highlights the functions and significance of PRM in libraries. It also indicates in this study that public relations and marketing (PRM) expose library services through its different tools /methods and as well as discussed, the barriers of the PRM in university libraries. Most of the university libraries are not expose their library services among the users and not achieving their full potential because of lack or failure of public relations and marketing activities.