There are so many databases in the world for retrieval of information from e-resources. This research paper analyses ERIC, CORE, PDF Drive and Project Gutenberg for retrieval of e-resources. Here everything was analyzed on the basis of some observation and collected data were tabulated for analysis. This paper includes brief description about ERIC, CORE, PDF Drive and Project Gutenberg and screenshots of normal search, advanced search and use of fuzzy logic. This research reflects that none of the databases under study achieved full score found that ERIC ranked the first position.