This study is based on Information-Seeking Behaviour of researchers of Central Drug Research Institute (CDRI), Lucknow. In this study, the method of collection of data, analysis, interpretation, findings are presented in a systematic manner. The primary data is collected through a questionnaire of 54 researchers of Central Drug Research Institute (CDRI), Lucknow. This study reveals the frequency of visit to the library, purpose of visiting the library, types of services, sources used to locate to the documents, behaviour of staff and user satisfaction, journal subscription, Internet facility etc. On the basis of data interpretation certain findings are given.