Criterion Tech’s – Library Management System or integrated library system enhances the efficiency of librarians and library users. Being a digital system, the Library Management System eliminates the need for manual maintenance of physical files, thereby proving to be cost-efficient. The Library Management System is highly helpful for librarians in keeping proper book records and books can be easily catalogued which in turn helps the users to check the availability of books with one click. Also, helps librarians easily record the details of books and users’ records in sustaining proper book history.