E-Library services can be referred to all the library resources that are available online through software components and databases. This is different from the open internet because e- Libraries have restricted access.

A digital library is a collection of documents in an organized electronic form, available on the Internet or on CD-ROM (compact-disk read –only memory) disks. Depending on the specific library, a user may be able to access magazine articles, books, papers, images, sound files, and videos. The e- library offering of Datamart is uniquely designed as per Client requirements to help promote the culture of reading and research amongst the various units and departments within the organization and to increase the provision of wide variety of resources through digitization of existing resources and further subscription and provision of standard cataloging of publications and other research works.