The disclosure of digital libraries grants many opportunities and question for the settlement of centered collections of digital oppose. As librarians in the India seek to appraise the existent software and systems, and to ID the most appropriate technology and methods of construction digital libraries, several scrutiny egress emerge for muse and analysis. These egress include, Internet-supported apportionment, the profession to furnish cleaving and compatible views of the resort held, metadata elaboration, representation of multimedia and hypermedia dogma, interoperability, portability, data commute, and the performance of the mortal-electronic computer interface. This paper identifies types of digital libraries full digital libraries, special and “hybrid” collections, and examines definitions currently in use. The focus is on collections built for specific user communities. Open-source and commercial software are briefly examined as well generic and specific library applications.