The case-study method is an important research method used in Research Methodology for obtaining an in-depth understanding of a particular person, group, institution, event, programme, or situation. It involves a detailed and systematic investigation of a specific case within its real-life context. In library and information science, the method is especially useful because libraries and information centres differ considerably in their users, resources, services, technologies, management practices, and local environments. A case study focuses on a clearly defined unit of analysis and examines it from several dimensions. The researcher collects information from multiple sources such as interviews, questionnaires, observation, institutional records, reports, documents, statistics, and archival materials. The use of several sources helps the researcher understand the case comprehensively and improves the reliability of the findings. Case studies may be exploratory, descriptive, or explanatory. An exploratory case study investigates a relatively unfamiliar problem, a descriptive case study presents the characteristics and functioning of a particular case, while an explanatory case study attempts to identify the reasons behind particular outcomes. The case-study method generally begins with the selection and definition of the case. The researcher then identifies the objectives and research questions, determines the sources of information, prepares data-collection instruments, collects