National Digital Library (https://ndl.iitkgp.ac.in/

Ministry of Human Resource Development under its National Mission on Education through Information and Communication Technology has initiated the National Digital Library (NDL) pilot project to develop a framework of virtual repository of learning resources with a single-window search facility.

Filtered and federated searching is employed to facilitate focused searching so that learners can find out the right resource with least effort and in minimum time.
It is being developed to help students to prepare for entrance and competitive examination, to enable people to learn and prepare from best practices from all over the world and to facilitate researchers to perform inter-linked exploration from multiple sources.
The pilot project is devising a framework suitable for future scale up with respect to content volume and diversity to become a full-blown National Digital Library of India over time.
NDL is designed to hold content of any language and provides interface support for leading vernacular languages (currently Hindi and Bengali). It is being arranged to provide support for all academic levels including researchers and life-long learners, all disciplines, all popular form of access devices and differently-abled learners.
It is being developed at IIT Kharagpur.
Educational materials are available for users ranging from primary to post-graduate levels