Generally resource discovery services is available on Web environment. Discovery library service is a part of online searching tool for access the information resources both for local and global library users. Most of the libraries have been using the discovery services instead of online public access catalogue for wider access of metadata and full text. The essential features of discovery services including ranking algorithm, facets of different fields (authors, formats, main topics), Google like search box, enhanced search capability (fuzzy searching and concept searching), linking the full text content, customizing facilities for library, single window base interface for sign on the databases, integration with social sites, sharing the bibliographic information among the users. This paper discuss the application of discovery tools in integrated library management and retrieval system for the any type or size of a library. This is one of the important concept in automated and digital library system. This research paper select the matured level open source discovery tool for the import of Koha bibliographic data into the VuFind discovery tool and all the data can be easily access by the users as well as advanced users. VuFind support many open source library management software and it also support the digital library related software. The main outcome of this research paper are: (i) Bibliographic data of Koha display in VuFind, (ii) users can easily access the data and bibliographic information, (iii) Display of Emerald records of different items in VuFind, and (iv) Advanced level search facilities. All the tasks have been successfully implemented in Ubuntu 18.04 version and VuFind 4.1.1 version.