The aim of this paper is to show the status of information communication technology (ICT) application in some selected University libraries and Special Libraries of Assam. The paper focuses on the application of ICT and the ICT based services to the libraries. This paper discusses about different ICT tools and their use in the library operations, how the library services are developed with the use ICT have discoursed in the study. The present study discusses various library operations using ICT. The purpose of this study is to express the usefulness of the different ICT tools and techniques for making the access of information quicker and accurate to the user community as well as efficient management of the systems and services of the library.