AbstractThe libraries are adopting the changes from time to time. From the days of papyrus to the digital libraries, libraries are undergoing tremendous developments. During the last part of 20th century the emergence of new technologies such as computer, CD-ROM, DVD-ROM, e-mail, e-commerce, e book, INTERNET, bar coding, fiber optics, RFID, etc have taken place. Now a days, there are various types of libraries like: traditional, automated, electronic, digital, and virtual libraries. There is a difference of opinion among library and information professionals about the meaning of the above said libraries at the outset. As the Internet expands, particularly the World Wide Web (WWW), more people are recognizing the need to search indexed collections. The major objectives of digital libraries are: to collect, store, organize and retrieve digital information; to provide effective and efficient digital information services; to minimize massive storage and space problem in libraries; to share the networked information; and to perform the various library activities economically.