Developments in information technology have helped libraries to provide timely information to the users. The role of library is to acquire, organize information and make available to the library users. Electronic resources are the most important entity in research library and used to meet the information quickly to the users. E-resources are going to continuously increased in library. IARI library is a national library and has reach collection of electronic resources in the field of agricultural research and education. In this paper we have discusses the scientist’s awareness of electronic resources in Indian Agricultural Research Institute, New Delhi.