A library is an organized collection of information sources which is made accessible to the people. The library        usually contains the information physically or in a digitized format. In the     olden           period the access was usually in the library room as the technology grew up the access that was made online (Dinesh et al., 2015). Library is a fast growing organism. The ancient methods to maintain it are no longer dynamic and efficient. For expeditious retrieval and dissemination of information and better service for the clientele, application of modern techniques has become absolutely indispensable (Neelakandan et al., 2010).Libraries can be divided into categories by several types, which   are Academic libraries, Corporate libraries, Government libraries such as national libraries, Historical society libraries, Private libraries, Public libraries, School libraries, Special libraries, Digital libraries, Picture (photograph) libraries, Slide      libraries, Tool libraries, Architecture libraries, Fine arts libraries, Medical libraries, Theological libraries etc.    A library is comprised of the following sections, based on the services rendered.