The idea of resource sharing is a requirement based, founded on the principle of give and take. At the time of information era, shared the proliferation of publications and the phenomenon has transformed the collection development policies had to be introduced in order to select the most important and core documents, and share the remaining with other librarians or networks. It is because of rising costs of publications and their phenomenal growth in each subjects. To make resource sharing more fruitful among libraries at different geographical locations and to cover all types of document’s for that various library networks are came in to existence. In general networking can be categorized as library network, computer network, and communication network. Among the above three networking library network is very pioneer in nature. The concept of library network evolved in the form of resource sharing over the years. The world resource sharing has been in need with different terminology called; Inter library loan, Library cooperation, Library network, Library Consortia. Resource sharing is a kind of contract among the participating libraries wherein each participant is ready to share the resources among themselves. According to Allen Kent , “Resource sharing is a mode of  operation whereby functions are shared in common by a number of libraries”.  Here we are going to give more emphasis on impact of computer network and library network in resource sharing. One of the great library networking in the resource sharing at the university level is INFLIBNET. In this paper a brief description of INFLIBNET on resource sharing and networking in the university libraries.