The main objective of present encyclopaedic dictionary is to provide the information of communication, library and information science technical terms in Hindi to the students, scholars, librarians and teachers of library and information science and the people of similar professions.The present encyclopaedic dictionary incorporates the terms of library science, information science, computer technology, communication technology, management etc. The work is thus interdisciplinary in nature. The scope of present dictionary is wide enough to incorporate related terms of other discipline.This dictionary incorporated the new terms coined or adopted in the fields of library science, information science, management, computer technology, communication technology etc. About 4609 terms have been defined in this dictionary.