Introduction-This paper discussed the need of performance audit of some selected University Libraries in West Bengal, India and how the libraries have achieved their day to day operations & activities economically, efficiently and effectively. For the purpose of this study, four selected university libraries in West Bengal established during the same time have been considered and 41 performance indicators have been applied that is based on ISO 11620 (2008) and IFLA-Measuring Quality: Performance Measurement in Libraries (2007).Methods-To conduct of this study a large variety of data-gathering and analysis techniques have been adopted such as surveys, interviews, observations, documentary analysis as well as the analysis of financial, service, output statistics i.e. performance data of four university libraries in West Bengal.Findings- After applying the performance indicators for different activities & operations performed by the studied university libraries, it shows that NBUL has overall performed well achieved 1st position followed by BUL (2nd), RBUL (3rd) & KUL (4th).Suggestions- It will be possible to measure the strengths and weakness of performance of the university libraries in different angels compared to the other universities of the state. It will help to prepare a framework for evaluation as well as to monitor the proper guidelines and utilization of financial, human, technical and other resources with minimum economy will be achieved efficiently and effectively within the university library systems
