Major aim of any university library is to support teaching, learning and research activities of its parent institutions, university library must therefore make sure that their resources are fine use of by its users. The study has been conducted to know the available information sources in the Karnataka university library and its usage pattern among the research scholars in different faculties in several Departments of the University. The study shows that how the usage of the information resources changing from print to e-resources and more users are eager to use electronic resources. For this study hypothesis was set and various statistical methods like chi-square test, etc., were used.