About the database and journal authenticity                

• On the basis of scope of the journal, it is indexed (reflection of its quality) as per the database which is organized collection of data created, collected and updated by the software. Finally, the citation index given by the bibliographic (descriptive information about the journal) database, allow the users to search the manuscripts that cite the previous published article.

• Clarivate Analytics' Web of Scienceis an online subscription-based citation indexing service indexed in (SCIE)
• Elsevier's Scopusis the world's largest abstract and citation database.And Scopus is also database of Springer publisher.
• The Directory of Open Access Journals(DOAJ) is a community-curated online directory of open access journals
• Elsevier's Ei Compendex(Engineering Index - COMPuterized ENgineering inDEX) on Engineering Village is the broadest and most complete engineering literature database in the world.
• ProQuest's Ulrichswebis the standard online library directory and database for journals, magazines, newspapers and other periodicals.
• Google Scholaris a freely accessible web search engine that indexes the full text or metadata of scholarly literature across an array of publishing formats and disciplines.

• SCIE (Science Citation Index-Expanded): SCIE is a product by Thomson Reuters. It covers journals from a range of scientific and technical fields. It also provides some data analysis options. ISI indexed journal listed by Thomson Reuters

• ICI Index Copernicus International.
• SJR(Scimago Journal & Country Rank)
• Directory of Research Journals Indexing | DRJI 

                                                                                                                                               -  Dr. Ved Nath Jha