<Proceedings>Papers accepted by ICGSP 2021 will be published in ACM Conference Proceedings Series (ISBN: 978-1-4503-8941-9), which will be indexed by Ei Compendex & SCOPUS. ICGSP 2020, ACM (ISBN: 978-1-4503-7781-2), Ei Compendex & Scopus.ICGSP 2019, ACM (ISBN: 978-1-4503-7146-9), Ei Compendex & Scopus.ICGSP 2018, ACM (ISBN: 978-1-4503-6386-0), Ei Compendex & Scopus.ICGSP 2017, ACM (ISBN: 978-1-4503-5239-0), Ei Compendex & Scopus. By online submission system: http://confsys.iconf.org/submission/icgsp2021