https://www.ilovephd.com/what-is-the-difference-between-sci-scie-and-esci-journals/

SCIE IS EXTENTION OF SCI WHILE ESCI IS LOWER GRADE THEN SCOPUS

Dear Jagadeesh Babu ,

As of January 3, 2020 SCI no longer exists; it is integrated in SCIE, see also:

https://support.clarivate.com/ScientificandAcademicResearch/s/article/Master-Journal-List-Removal-of-SCI?language=en_US

See also:

https://www.ilovephd.com/no-more-science-citation-index-sci-why/

Best regards.

PS. For what used to be the difference have a look here at RG at for example:

https://www.researchgate.net/post/What-is-the-difference-between-SCI-and-SCIE-journal

https://www.researchgate.net/post/SCI_Vs_SCIE_journals

Except storage media, both are same.