With the advancement in technology, researches no longer have to go in search or articles; they are just a click away. Technology has advanced; hence journal access has become much more comfortable in the present time. Indexing services have helped in these services. Indexing is an essential aspect of publication and reputation. Recent years studies have shown that many research scholars use academic Indexing in journals and many other Open access journals for their education. Indexing is essential as it measures the quality of a journal. Indexing measures the quality of a journal, and hence over the last few years, it is noted that this is the reason why scholars prefer to subscribe to online journals included in the leading list of indexing journals to publish their articles. This article is a review of various indexing services in research publications.